Divorced Women 2:228
And divorced women possessor of the menses shall wait or delay themselves from marriage. It is necessary that they wait for marriage after the divorce period of three purifications or three menses by the way of the legal prescribed period . In order that they confirm from what they are carrying in their wombs is empty from pregnancy. It is not permissible for them to marry another man until after they wait three periods or until they are clean . If a woman is pregnant with new life they may decide not to get a divorce.
The womb is a mercy from Almighty G-d in forming the life of society . This mercy is also a sign of closeness,compassion,tenderness or kinship in the relationship Therefore, if the divorced women are trustworthy and truthful they are those who believe in Allah and the Day of standing. However, if the marriage relationship has irreconcilable differences and bad habits of character has not changed then divorce is permitted .