Yes, the blood type has nothing to do with getting pregnant however, though there may be no problems with the first child born the second child may have a blood problem without medical help.
Can o negative blood boy pregnant o positive girl
Blood type?
see a doctor for such questions
yes
yes
yes
yes, he can. If boy blood group A positive or any other such as B or O positive and girl have A, B, or O, or AB negative then can be danger for offspring. If she already have positive blood group, there is no danger.
yes
don't see why not.
Yes, but its possible the girl would need shots if she got pregnant.
see a doctor for such questions
Yes, people of any blood types can marry. If a woman with negative Rh factor gets pregnant, she gets an injection to lower the risk of complications in future pregnancies.