Hello the doctor, prompt as correctly to calculate the period when it is possible...

[Aleftina]

Hello the doctor, prompt as correctly to calculate the period when it is possible to finish safely in me, in advance thanks.

[Soboleva L.I.]

Hello! Look for the answer in " Questions and answers ", section natural konratseptsija. This question is set enough often. Consider, that the similar method of contraception can be used only to women with a precise menstrual cycle and a regular sexual life.