Today there are many available contraceptives from unwanted pregnancy. A new study says that birth control pills alter the ratio of female to male. Scientists say that if a woman takes the pill, so does the female reaction to the smell of his own men. Masculine scent is a key point in determining its genes. Women subconsciously react to the scent of men in the choice of partner genes which differ from their own.
However, pills, contraceptives can disrupt this natural ability of women to instinctively choose a partner with a set of genes different from his, which, in turn, can result in problems with conception. Moreover, increases the risk of miscarriage, the intervals between pregnancies can be delayed writes sunhome.ru
In addition, the lack of "different" genes may affect the child's immune system will become weak. Despite the fact that people have a relatively poor sense of smell compared to other animal beings, women can instinctively tell a partner with suitable molecules major histocompatibility complex (MHC). After the experiment, the researchers concluded that the pill contraceptive literally make a woman to make a choice in favor of a partner with a similar set of genes.
E-NEWS.COM.UA
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