Explanation:

The concept of Iddat is very significant in Islamic Law. Iddat is the period in which a Muslim woman has to observe after dissolution of marriage. In this period woman has to remain in seclusion and is abstain from marrying another person or, it can be also be said that, during this period women is prohibited from marrying again after dissolution of her first marriage. The objects of Iddat firstly is to ascertain the pregnancy of the wife so, as to avoid confusion of parentage (paternity of child) and secondly is to give time after Talaq to both the couple so that they can reconcile or re-think about their relationship and can decide whether to dissolve the marriage or to revoke the Talaq pronounced. The completion of Iddat will make Talaq irrevocable. The duration of Iddat is different in different cases. In case of widowhood woman is prohibited to marry before completion of 4 months 10 days and in case if she is pregnant her Iddat will complete on delivery and miscarriage but if it comes before 4 months 10 days the remaining period she need to observe after delivery or miscarriage. The period of Iddat in Talaq is in 3 courses if woman is subject to menstruation if not 3 lunar months.