The blood pressure in the mother before conception may help predict the sex of the child


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The blood pressure in the mother before conception may help predict the sex of the child

A recently published study of researchers showed that blood pressure in women before conception could affect its gender. If these results are confirmed, it will be an exciting discovery!

Superstitions and ways on how to predict the sex of a child is plenty. For example, according to some, highly placed belly means a girl, a low – boy. Similarly, it is said that appetite for sweets foresees a girl, etc. Unfortunately, all these methods are not in any way supported by science and by far, the sex of the baby was a surprise, basically impossible to determine before conception.

Scientists have made many studies that have been carried out for predicting the gender of offspring in farm animals. In cows and other animals, according to Trivers-Willard hypothesis, it was found that female animals in better physical condition, much more likely, may give birth to male offspring.

Some scientists say that in a similar way, we can plan the gender of the baby in humans, and the mother’s diet can help predict the sex of the fetus before conception. Women lead healthier, more active lifestyle and accordingly nourishment much more often give birth to boys, and vice versa – those who are less active, much often having girls. Although this theory is quite controversial and not widely used aim to predict the gender of the child, it gives a hint of what conditions must be created to increase the probability of having a baby of a particular sex.

A recent study, however, seems to be very promising and the ability, to predict the sex of the baby, it sees in the mother’s blood pressure level, shortly before conception.

Dr. Ravi Retnakaran – the endocrinologist at Mount Sinai Hospital in Toronto (Canada) and scientists from the Research Institute Lunendfeld-Tanenbaum based on the study, started in 2009, surrendered to tests 1,411 women from China. During the research, was evaluated the level of cholesterol, the blood pressure as well as glucose and triglyceride levels. The study lasted in women for an average of 26.3 weeks before becoming pregnant as a result of which were born 739 boys and 672 girls.


The analysis of the tests showed that the average systolic blood pressure just before the pregnancy was higher in women who later gave birth to boys.

When the researchers took into account the age habits like smoking, level of education, waist circumference, body mass indexes (BMI), triglycerides, low-density lipoprotein (LDL) cholesterol, high-density lipoprotein (HDL) cholesterol and glucose, the impact of systolic seemed to be even more significant. Women who gave birth to boys had average systolic blood pressure was 106.0 before conception and those that had the girls – 103.3.

According to Dr. Retnakaran, these results suggest that blood pressure in women before pregnancy is a factor who has not previously been recognized as an important element in assessing the probability of conception of a boy or girl. It is therefore incredibly important discovery that may help in the planning of offspring, as well as in understanding the fundamental mechanisms underlying sexual intercourse in humans.

The results are puzzling, but they still require further research to determine whether their effects are entirely correct.

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One thought on “The blood pressure in the mother before conception may help predict the sex of the child

  1. Sources:
    1.https://www.eurekalert.org/pub_releases/2017-01/oupu-mbp011017.php
    2.https://academic.oup.com/ajh/article-abstract/doi/10.1093/ajh/hpw165/2835699/Maternal-Blood-Pressure-Before-Pregnancy-and-Sex?redirectedFrom=fulltext

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