a man of AA+ with women with O- can lead to RH incompatibility which may affect the second child and onward and may lead to foetus death in uterus
which occur due to sensitization during the delivery of first child and antibody formation which then damages the future pregnancy
, but this can be prevented by adequate administration of anti D immunoglobulin during first delivery which prevent antibody formation.
when a women does not ovulate after her period the cause can be hormonal
imbalance due to inappropriate gonadotropin
release , low LSH level or even ovarian failure.