Women with heart disease have a high probability of giving birth to girls

According to a new study in Iran, pregnant women with heart disease are more likely to give birth to girls than boys.

The study involved more than 200 pregnant women diagnosed with heart disease and transferred to a heart treatment center to give birth. Of the 216 children born to these women, 75% are girls.

The chromosome in a man's sperm regulates the sex of a baby

The number of boys and girls born in any population is approximately equal, but the proportion of boys / girls in a certain country may vary depending on gender selection measures. count.

However, in the study of heart disease in pregnant women, this rate is 32/100.

Dr. Kathryn Taubert, Scientific Director at the World Cancer Federation, stated: 'The chromosome in a man's sperm regulates the sex of a child. But this study shows there may be a link between the mother's heart condition and the sex of the baby in their abdomen. "

It is still unclear what causes the gender difference in newborns of women with heart disease.

Researchers at Tabriz University in Iran say they hope this research will pave the way for further research to understand the cause of this link. The average age of women in the study was 29.

The study was presented over the weekend at the International Conference on Heart Disease in Dubai.