Mention two advantages of lactational amenorrhea as a contraceptive method.
The two advantages of lactational amenorrhea are given below : $(i)$ As long as the mother breast feeds the child fully chances of conception are almost nil. $(ii)$ Mother does not have to take any pills or devices for birth control. Its side effects are almost nil.
Emergency contraceptives are effective if used within:
Most of the contraceptive pills contain
Delete odd one (copper releasing $IUDs$).
It is oral contraceptive
$A$ : Lactational amenorrhoea is due to high level of prolactin.
$R$ : Prolactin stimulates the release of gonadotropins