Several fertility scientists at the University of Adelaide in the United Kingdom believe that sex is frequent. For example, frequent sex during the whole year before conception will help alleviate the imbalances related to childbirth.
Scientists say that the more the female's immune system is accustomed to male semen, the less her body will "resist the fetus."
Experts believe that if the mother's immune system is operating slowly, it will be highly likely to lead to miscarriage. At the same time, the exclusion of the immune system also triggers "early convulsions," which can lead to high blood pressure or convulsions. Researchers involved in the research said: “We watched women who had two miscarriages. After they finally passed the period of possible miscarriage, the results were dead in the 24th week.†The experts also believe that the placenta It is the lifeline for supplying oxygen and nutrients to the fetus. The adequacy of protein in the semen of the male will prompt the woman's immune system to go on alert. If the mother repeatedly receives this signal, once immature, the immune cells will "know" the other person and become familiar with it, allowing the mother to become pregnant.
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