It is alleged that morning sickness promises the birth of a boy. As it turned out, the situation is quite the opposite. In 1999, researchers analyzed the records of 8186 women in hospitals in Sweden with hard flowing pregnancy. 44, 3 percent of them gave birth to boys, more than half - Girls. According to the researchers, is to blame for the high levels of the hormone "human chorionic gonadotropin". It is elevated in women expecting girls.
Another national sign - determination sex of the child the rhythm of his heart. Fetal pulse above 140 beats per minute according to accept talks about the birth of girls. But scientists say it is absolutely unreliable. The big difference in the pulse of the girls and boys do not. In one study, researchers used ultrasound to measure the pulse at the 477 future baby. Average heart rate for girls was 151, 7 beats / min in boys - 154, 9 beats / min.
The most popular is the omen determine the sex of the child on the eating habits of the mother. The only proof, found by scientists, states that if a pregnant woman is very big appetite, it is likely she is waiting for the boy. However, this fact has not been proved completely.
Many women prefer to trust your instincts. In 1998, researchers from the University of Arizona in Tucson asked 108 pregnant women determine the sex of their child . Seventy-five women guessed correctly. This represents approximately 60 percent of the total.
Yet the most reliable way - to seek professional help. New technologies are much more precisely predict the baby's gender than folk omens .
Pregnancy and Gynecology
Go back to the main page
Немає коментарів:
Дописати коментар