American scientists have drawn interesting conclusions. It turns out that in some cases, oral contraceptives do not protect women from unwanted pregnancies.

The study showed that oral contraception does not always prevent full pregnancies from pregnancy. Why is this happening?.

The point is that in order to prevent conception, the concentration of the drug in the woman's blood must reach a certain level. For this, women who are overweight should take contraceptives on average 2 times longer than women with normal weight.

In addition, the excess body weight and fatty tissue in the body are able to change the pharmacological properties of a drug, as well as the way the contraceptive affects the child's genital function sportzal. com.

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