Under Hanafi law, a Muslim mother is entitled to the custody of her female child until she attains

Under Hanafi law, the mother is entitled to custody (hizanat) of her son until he completes seven years of age and of her daughter until she attains puberty. Custody may be lost earlier, for example by misconduct or by her remarriage to a person not related to the child within the prohibited degrees.

Under Shia law the mother's custody of a daughter lasts only until seven years. The ages of eleven and fifteen are not fixed limits under either school.