50% because no matter what, the probability stays the same. It just so happened that all of her children were boys.
Answer:Good question i don't know
Explanation:
Painful periods.
pain in the lower abdomen before and during menstruation.
cramps one or two weeks around menstruation.
heavy menstrual bleeding or bleeding between periods.
infertility.
pain following sexual intercourse.
discomfort with bowel movements.