General Rules
It is permissible for a woman to use contraceptives (the pill) to prevent pregnancy, provided that it does not damage her health in a serious manner, irrespective of whether or not the husband has agreed to it.
---
It is permissible for the husband and wife to look at the body of one another, outside and inside, including the private parts; and also to touch any part of one another with any part of their own body with lust and without it.
---
It is not permissible to neglect sexual relations with a young wife for more than four months, unless there is an excuse like unbearable difficulty or harm [in fulfillment of that duty] or unless she agrees to it [that is, forgoes her conjugal rights] or if it was part of their agreement at the time of marriage.
---
It is not permissible for a woman to abort the feotus after the soul has entered into it, irrespective of the reason for abortion. It is permissible to abort the feotus before the soul enters it, if there is an unbearable harm to the mother in continuing the pregnancy or it becomes extremely difficult for her.