yes
then the baby will be O plus, or AB plus , I think .
No
Blood type is not a indicator of fertility.
Yes.
yes
yes, it is possible.
If the mother and father are both type O, the baby cannot be type AB.
For a baby with AB blood type : both parents should be AB. or one is AB and the other is B. or one is A and the other is B.
yes
yes
Many people think that sit-ups are the best ab exercises, but that is not always the case. For women, the Pilates beginner 100 exercise is very helpful for ab strengthening.
It's called "positive" and "negative" - yes the "A" father and "B" mother can each give a gene to produce "AB"; The Rhesus gene is either positive or negative so the baby could get either.