Ancient Egyptian Pregnancy Tests: Did Wheat and Barley Really Work?

An Egyptian medical manuscript dating to around 1350 BCE describes a pregnancy test involving two kinds of grain. A woman was instructed to water the seeds with her urine each day and observe whether they sprouted. Germination supposedly meant that she would bear a child; the grain that grew first was said to predict whether it would be a boy or a girl. The recipe survives among ancient Egyptian medical writings concerned with conception, childbirth, diagnoses and treatments. It remains one of the best-known ancient instructions for predicting pregnancy and childbirth.

The procedure has an unusual feature for an ancient medical recipe: researchers can reproduce the basic action and measure the result. Seeds either sprout or remain dormant, and urine from known pregnant and non-pregnant people can be tested separately. Three researchers in Egypt performed such an experiment in 1963. They found differences in how some samples affected germination, but the results were far too inconsistent for a reliable diagnosis. The supposed indication of a baby’s sex fared worse still.

The manuscript records what Egyptian medical writers believed the grain could predict. The 1963 experiment measured how grain responded to different urine samples under controlled conditions. Keeping the two separate is especially necessary when popular accounts describe the ancient method as ’70 percent accurate’, without explaining what the researchers measured or what counted as a positive result.

What the Egyptian Papyrus Actually Says

The best-known surviving instructions are associated with Berlin Papyrus 3038, an Egyptian medical text discussed in a 1963 study by the medical historian Paul Ghalioungui and his colleagues Sh. Khalil and A. R. Ammar. Their article includes an English translation prepared by the Egyptologist Warren R. Dawson. According to that version, a woman should urinate daily onto two bags containing different cereals. Growth in both meant that she would bear a child; the absence of growth predicted otherwise. The text also assigns the sex of the future child according to which grain grows.

The papyrus says that the woman will bear a child. The phrase predicts a future birth without confirming that a pregnancy is already underway. Egyptian medical statements could combine diagnosis with prognosis, describing what was expected to happen rather than identifying a bodily cause. Sprouting was something an observer could see, but the conclusion attached to it was broader. Failure to germinate could be interpreted as an inability to conceive or bear a child, neither of which a few days’ seed growth could establish.

Many retellings identify the two cereals as wheat and barley. The ancient plant names, however, are disputed. Dawson rendered the Berlin text as wheat and spelt; other specialists have suggested wheat and barley, or barley and emmer. The manuscripts use Egyptian terms that do not map neatly onto modern botanical classifications. Differences between translations can even reverse which crop is said to foretell a son and which a daughter. The grain-watering instructions are clear, although the identities of the cereals and their supposed association with sons and daughters remain disputed.

The presence of a recipe in a medical papyrus establishes that a scribe preserved it. We do not know how often women used it, whether the person who devised it had compared outcomes or how many pregnancies it predicted correctly. No surviving register supplies those patient histories. That gap matters when attempts are made to judge the effectiveness of a practice known primarily through instructions written thousands of years ago.

The Medical Manuscripts and Their Different Histories

Egyptian medicine dealt with pregnancy and reproductive health long before the best-known grain recipe was written. The Lahun, or Kahun, Gynaecological Papyrus comes from a Middle Kingdom settlement near the Faiyum, west of the Nile Valley. It contains passages on women’s ailments, fertility and pregnancy-related examination. Flinders Petrie excavated the town in 1889, and the document is now held by the Petrie Museum at University College London. Its contents attest to a much earlier written tradition of reproductive medicine.

The Lahun manuscript predates the commonly cited New Kingdom instructions by many centuries. It should therefore be treated as evidence for the longer history of Egyptian gynecological writing, rather than assumed to be another copy of the Berlin grain test. Some of its passages survive only in damaged form, with uncertain translations. Others concern symptoms and treatments that have nothing to do with germinating cereals. Their different dates matter when reconstructing what Egyptian scribes wrote about pregnancy in each period.

The published transcription and translation made available by University College London shows how Egyptian medical texts could organize a case. A scribe might explain how to examine a woman, record symptoms, announce a diagnosis and recommend something to drink, apply to the body or use in fumigation. Parts of the text are fragmentary, and even apparently clear passages may include plants or conditions difficult to identify in modern terms. Such writings preserve medical reasoning without forming a single uniform manual in which every ailment had the same explanation.

Material associated with the Carlsberg papyrus collection in Copenhagen supplies another witness to the grain-test tradition. Scholars have reported a New Kingdom instruction describing the placement of grain in separate bags for the woman to water. This evidence suggests that versions of the procedure circulated in more than one manuscript. The witnesses have their own dates and histories, and combining their details into a single supposedly definitive Egyptian recipe would conceal those differences.

Pregnancy diagnosis mattered in a society where conception could affect a woman’s health, decisions about her care and the future of the household. Childbirth also placed both mother and infant at risk. The surviving medical papyri describe examinations and remedies alongside ritual protections, without treating religion and medicine as wholly separate domains. Some texts carefully describe physical injuries while others call on divine powers. The grain procedure belongs in this setting: it supplied a visible sign, but interpreting that sign depended on the expectations of Egyptian medical writers.

What Happened When Researchers Tried the Test in 1963?

The experiment most often cited in discussions of the ancient test appeared in Medical History in July 1963. Ghalioungui, Khalil and Ammar obtained 48 coded urine samples from Ain Shams University Hospital’s Department of Gynaecology and Obstetrics. Forty belonged to pregnant women, six to non-pregnant women and two to men. Experiments were carried out at Egypt’s National Research Centre. The work was a small-scale investigation of an old medical claim, with neither the sample size nor the design needed to validate a modern clinical test.

For every urine sample, the researchers set up twelve Petri dishes containing wheat or barley seeds. They used two varieties of each cereal and varied the liquid supplied: some seeds received undiluted urine, some diluted urine and others distilled water. The dishes remained at approximately 25°C for three to five days. The team recorded the number of seeds that germinated and measured root growth, so they could compare the different urine samples with the same kinds of seeds watered normally.

The distilled-water controls were essential for interpreting germination. Wheat and barley naturally germinate when conditions are suitable, so the mere appearance of a shoot says nothing about whether urine encourages growth. What mattered was the difference between urine-treated and water-treated seeds. The researchers found that even pregnant urine generally inhibited germination compared with distilled water. In some pregnant samples the suppression was weaker, allowing seeds to grow closer to the water-treated controls. The observation was therefore a reduction in inhibition, rather than growth stimulated beyond what water alone produced.

The published study’s methods and results give the relevant counts. None of the eight main control samples, supplied by six non-pregnant women and two men, produced the kind of growth observed with pregnant samples. Among forty pregnant samples, twenty-three allowed growth approaching the distilled-water controls, five produced weak growth and twelve produced none. The investigators then used soil-grown seeds to examine urine from another ten men and ten non-pregnant women; again, they reported no growth. Those separate trials should not be confused with the main coded-sample comparison.

A sprouting result was suggestive within the study because the researchers observed it in some of the pregnant samples and none of their small non-pregnant control group. A failure to sprout was far less informative. Twelve of the pregnant samples produced no growth and another five barely grew. Someone interpreting an absence of shoots as proof that pregnancy was impossible could therefore have received a false negative despite already being pregnant.

The results changed with experimental conditions. Aerating the urine-treated seeds improved germination, pointing to the importance of oxygen or alterations in substances that inhibited growth. Earlier investigators had also reported conflicting outcomes when they changed dilution or aeration. Ghalioungui and his colleagues noted that Petri dishes lined with filter paper differed from the ancient practice, which seems to have used bags and possibly earth or dates. Their experiment could not establish that the same pattern would have appeared in an Egyptian household.

Was the Test Really 70 Percent Accurate?

The familiar ’70 percent accurate’ claim comes from a calculation involving only the pregnant samples. Twenty-three produced fairly strong growth and five more produced weak growth. Counting both groups gives twenty-eight out of forty, or 70 percent. A US National Institutes of Health history of pregnancy testing summarizes the result in those broad terms. It describes the proportion of already pregnant participants whose samples produced some growth. It is not a measured overall accuracy rate for the test across a large population of pregnant and non-pregnant people.

Two measures of diagnostic performance clarify the limitation. Sensitivity is the share of people who have a condition and receive a positive result. Specificity is the share without the condition who receive a negative result. In the main 1963 experiment, the comparison group consisted of only six non-pregnant women and two men. The lack of false positives among those eight samples cannot show how accurately the procedure would work across ages, pregnancy stages, diets, urine concentrations and different growing environments.

Even the positive detection rate depends on the standard chosen. If the twenty-three samples with substantial growth alone count as positive, the figure is 23 out of 40, or 57.5 percent. Including all five poor-growth cases raises it to 70 percent. The researchers reported these categories separately, and that difference should not disappear into a single attractive statistic. In practice, a person would need to know whether a barely sprouting grain qualified as a positive result before deciding what the result meant.

The investigators did not establish how soon after conception germination might become informative. Neither did they determine a standardized threshold that would hold across changes in pregnancy stage, seed quality or urine concentration. Without them, researchers could not establish a dependable clinical method. The Egyptian grain test is of historical interest, but the 1963 paper provides no grounds for using it to make present-day medical decisions.

Could Wheat and Barley Predict a Boy or a Girl?

The recipe made a second claim: the cereal sprouting first, or growing more strongly, would indicate the sex of the future child. That prediction has to be assessed separately from whether seed growth could indicate pregnancy. In the Berlin wording reproduced by the 1963 researchers, different cereals were associated with sons and daughters. Egyptologists, however, disagree over the identities of the grains and sometimes over which one corresponds to which sex.

The 1963 experiment offered no support for this prediction. Of the forty pregnant samples, only seven showed a clear preference for one cereal that correctly matched the baby’s sex. The researchers also counted twelve extremely weak preferences that happened to agree with the prediction, bringing the total to nineteen of forty. That was no better than chance for a choice between two sexes, and the weak cases would have been hard to interpret consistently. Their conclusion was that the cereal that grew faster could not predict fetal sex.

Egyptologist Hermann Grapow proposed that the sex associations arose partly from the grammatical genders of the Egyptian words for the cereals. In a later German folk-medical version, the predicted boy and girl were assigned to the grains in the opposite way, consistent with the different grammatical genders of the German names. This may help explain changes in the symbolism of the recipe. It remains an interpretation of how the associations developed, not evidence identifying the person or reasoning behind the original test.

Whatever associations the scribes made between grains and children, the seeds could not reveal fetal chromosomes. Researchers found no consistent connection between a baby’s sex and the grain that germinated. The result also shows why the ancient instructions contain two claims with very different prospects of being tested: pregnancy might alter substances in urine that influence a growing seed, while the relative growth of wheat and barley provided no useful indication of whether a child would be male or female.

Why Did Urine Sometimes Allow Seeds to Sprout?

Seeds germinate when they have water, oxygen and suitable environmental conditions. Urine contains water, but it also carries salts, urea and other dissolved compounds that can inhibit or alter growth. In 1963, normal urine tended to suppress germination, and some samples from pregnant women were less inhibitory. The experiment did not identify the chemical responsible. It demonstrated differences in how certain samples affected seedlings, without discovering a plant-growth substance unique to pregnancy.

Estrogen is sometimes suggested as an explanation. A history published by the US National Institutes of Health mentions the hypothesis, and Kinga Lis’s 2023 review of pregnancy testing also discusses the possibility that pregnancy-related estrogen changes might influence seeds. Ghalioungui and his colleagues did not isolate estrogen and show that it caused the effect they observed. Until such a mechanism is established, it must remain a proposed explanation rather than the verified reason some urine samples allowed seeds to sprout.

Present-day urine pregnancy tests use a quite different signal. They identify human chorionic gonadotropin, abbreviated hCG, a hormone produced in connection with the developing placenta. Home testing devices contain antibodies made to recognize hCG in urine. The history of immunochemical pregnancy testing explains the development of these immunochemical methods, which identify particular molecules rather than relying on plant or animal responses. The Egyptian method did not measure hCG, and calling it a modern hormonal test would give a misleading impression of what it detected.

Seed growth is affected by temperature, water, oxygen, storage and the concentration of salts or other compounds in the urine. Several factors unrelated to pregnancy could change the germination result. To be clinically useful, a diagnostic procedure needs a consistent method, a clearly defined positive result and evidence of reliable performance across many people. The 1963 trial did not establish those conditions for the grain test, regardless of the differences it recorded.

Why Pregnancy Diagnosis Mattered in Ancient Egypt

Finding out whether a woman was pregnant could affect care, plans for childbirth and the lives of other household members. Descent and inheritance added further importance to the possibility of a child in Egyptian society. Yet our medical manuscripts seldom preserve a woman’s own account of seeking a diagnosis or tell us how often a procedure succeeded in practice. They give us instructions written and transmitted by scribes, with almost none of the everyday patient experience that would put the recipes into context.

Objects associated with childbirth show that medical prescriptions formed part of a wider effort to protect mothers and infants. An apotropaic rod in the Metropolitan Museum of Art bears protective figures and symbols associated with birth and the vulnerable earliest stages of life. The rod itself was not used to test for pregnancy. Its protective imagery belongs to the wider concern for childbirth in Middle Kingdom Egypt, alongside the diagnoses and remedies recorded by medical scribes.

Egyptian fertility imagery had other meanings as well. A Metropolitan Museum’s fourth-century BCE fecundity relief portrays the fertility of Egyptian regions being offered to deities. Made in the fourth century BCE, the work is many centuries later than the medical papyri and has no direct connection with the grain test. It nevertheless shows how abundance and agricultural growth could form part of religious representation. Egyptians would have been thoroughly familiar with watering seeds and observing germination, even when those ordinary processes were employed for a distinct medical purpose.

Medical scribes often moved from examination to diagnosis and prognosis. A text might describe symptoms, offer an explanation, prescribe a treatment and judge whether the patient could recover. The UCL survey of medical manuscripts discusses such forms in the Edwin Smith surgical papyrus and other surviving manuscripts. In the grain procedure, the sign used to predict an outcome was observed in plants outside the woman’s body. That made the method unusual, but the practice of drawing conclusions from visible signs was already familiar in Egyptian medical writing.

How the Grain Test Survived Beyond Egypt

Variants of the method continued to appear after the pharaonic era. Ghalioungui and his colleagues followed reproductive tests resembling the Egyptian recipe into Greek and later medical traditions, though the path from one surviving manuscript to the next is not always known. Some versions altered the ingredients or asked a different question. Their similarity supports a history of transmission or shared medical tradition. It does not prove that people consistently used the same procedure in every intervening century.

In the tenth century, the Arabic physician ʿAlī ibn al-ʿAbbās al-Majūsī, called Haly Abbas in Latin, described placing wheat, barley and beans in separate containers and watering them with the urine of either member of a couple. If they sprouted after seven days, the person whose urine had been used was not regarded as the cause of infertility. The 1963 historical study cites this account from the Kāmil al-ṣināʿa al-ṭibbiyya. Although plainly related to the older Egyptian grain test, it now addresses fertility in either partner rather than the sex of a fetus.

Later European folk medicine also preserved urine-and-grain recipes. Watching a seed grow offered a memorable analogy for a fertile body, one that could fit changing medical theories and be repeated without elaborate equipment. That helps explain why the practice survived in written and oral traditions. Its later appearance documents the idea’s transmission, without providing new evidence that the procedure identified pregnancies accurately.

The sources allow different questions to be answered. The Egyptian papyri establish that people wrote down a grain-based procedure for predicting childbirth. Later adaptations show that related ideas were passed on and sometimes repurposed. The 1963 experiment recorded differences in germination under controlled conditions but did not establish reliable detection in everyday circumstances. We can trace the method and examine its claims without assuming that we know how well it worked in an ancient Egyptian home.

So How Accurate Was the Ancient Egyptian Pregnancy Test?

Of forty pregnant samples tested in 1963, twenty-eight allowed at least some germination, though five of those produced only weak growth; the remaining twelve showed none. The small non-pregnant comparison group produced no corresponding growth. The results give some reason to investigate differences in urine composition, but they offer no dependable basis for ruling out pregnancy from a negative result. The attempt to determine a baby’s sex from the faster-growing cereal was unsuccessful.

The Egyptian grain test used seed growth to predict pregnancy and the sex of a future child, although neither claim could be established reliably. Scribes described how to water seeds and interpret their growth, while later medical writers transmitted and modified the idea. More than three thousand years afterward, researchers tested the germination claim and found a partial, condition-dependent pattern. The procedure still fell short of a dependable modern pregnancy test. What survives is a revealing account of how Egyptian medicine used observable changes to make judgments about reproduction.