Sex Of A Baby May Be Predicted By The Mother’s Blood Pressure, Says Study

Sex Of A Baby May Be Predicted By The Mother's Blood Pressure, Says Study

Scientists have claimed that woman’s blood pressure before she gets pregnant could affect whether she has a boy or a girl.

Researchers from Mount Sinai Hospital in Toronto found those with lower blood pressure tended to have a girl, while higher blood pressure was an indication that a boy was more likely to be conceived.

One of the researchers, Dr Ravi Retnakaran, an endocrinologist at Mount Sinai Hospital in Toronto, said their research suggested “a woman’s blood pressure before pregnancy is a previously unrecognized factor that is associated with her likelihood of delivering a boy or a girl”.

“This novel insight may hold implications for both reproductive planning and our understanding of the fundamental mechanisms underlying the sex ratio in humans,” he said.

Study could prove controversial amid concern over pressure on women to have baby boys in some cultures. The study was unclear about whether a woman could influence the sex by deliberately raising or lowering her blood pressure.

“One of the things we don’t want is for people to look at this and think, ‘Oh, we can manipulate the blood pressure before pregnancy and thereby change the chances of having a boy or a girl.’ We definitely are not saying that, because we are not showing cause and effect,” Retnakaran said. “Moreover, we don’t believe it’s cause and effect. We think it’s a marker of the underlying physiology.”

At this point, the findings are simply interesting because they may be revealing something new and interesting about human biology and something researchers need to continue to explore.

The study was published in the journal of American Journal of Hypertension.

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