Hello! Respond please to a question: I heard, that if at the woman...

[Maria]

Hello! Respond please to a question: I heard, that if at the woman (-) a rhesus of a blood, and at the man (+) probability of that she bears or takes out the boy is minimal, since it threatens with abortions, and at pregnancy girls very well... How much or As far as it is the truth, and what probability of a birth of the son at the woman having 1 (-) gr. Bloods, and the man 3 (+)? In advance I thank!

[Nekrasova N.J.]

Usually groups of a blood and a Rh factor are not connected with a floor of the future child, as well with vynashivaniem pregnancy.