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Stressed moms more likely to get girls?

stress in pregnancy have far-reaching consequences for the child and can lead to the fact that more girls are born than boys. How strong this influence is, shows a study in the journal PNAS. The psychologist Catherine Monk at Columbia University in New York looked at how what kind of Stress affects the pregnancy.

187 women completed the age of 18 to 45 years of age during your pregnancy, questionnaires, kept a diary and were examined regularly physically. On the basis of a total of 27 indicators of Stress Monk and colleagues accounted for the three groups.

In the case of psychologically stressed mothers are more complications during birth.

17 percent of the women reported negative thoughts, felt overwhelmed, showed symptoms of a mild to moderate Depression, or suffered from conditions of anxiety. Similar to many of the women had signs of physical strain, increased blood pressure, for example, and the tendency to eat more than you actually needed. The rest of the Pregnant women were healthy and served as control group.

In the case of psychologically stressed mothers more complications during childbirth than in the other two groups. In comparison to the healthy women, the physically had stressed more premature births, 22 percent of children were in front of the 37. Week of pregnancy to the world. In addition, the heart rate of these babies is not so good to your body movements adapted, which suggests Monk as a sign of a delayed brain development. "This must be seen in larger studies," relativized Elisabeth Binder, a neuroscientist and Director of the Max-Planck-Institute for psychiatry in Munich.

Male fetuses are more sensitive than female

Monk was at the same time, show that Stress affects the sex ratio of children born. In the group of healthy mothers, 56 percent of the children were male, while only 40 percent of the psychologically stressed women young brought to the world, 31 per cent were Pregnant women in the physically stressed.

It is known that male fetuses are less robust than female. As a result, the conditions in the womb ideally, it is easier to miscarriages of male fetuses, often this happens already in the very early stages of pregnancy. Researchers also know that the placenta of female and male fetuses are completely different from each other, the tissue, the possible negative influences of the mother on the child buffer.

"We have no indication that women suffer from more Stress than in the past."Elisabeth Binder, a neuroscientist

"it will be mined, for example, the stress hormone cortisol from the mother's blood," explains Binder. Perhaps this works in male fetuses than female, so more harmful cortisol can break. However, the Doctor fears not the continued existence of the male sex: "We have no indication that women, in General, suffer from more chronic Stress than in the past," she says.

However, other researchers have found evidence that possibly acute events have an impact on pregnancies. So, scientists reported that women in New York after the terrorist attacks of September 11. September 2001 brought fewer young than usual to the world.

The social support in pregnancy is crucial.

And, more recently, researchers showed in the journal Jama, a possible connection between the choice of Donald trump as President, and the course of pregnancies of Latin American women in the United States. In the nine months after the victory of the anti-immigrant agitation the politician was among these women, more preterm births than otherwise.

Among all the influence factors, social support in pregnancy but to be in monk's study as crucial: Whether the expectant mothers someone had, the talk time and were able to spend, and if someone was there they could rely on. It also means, says the psychologist that you can do with the support of the Pregnant something against the Stress.

Created: 09.11.2019, 21:12 PM

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