Not wanting to have sex after giving birth to a child may be related to hormone levels, overwork and other factors. 1. Hormone levels: the hormone levels in the body of the pregnant woman will decline, which may lead to a decrease in vaginal secretions, and may not be interested in having sex after giving birth to a child. 2. Excessive fatigue: generally after giving birth to a child, most of the energy of the pregnant woman may be placed on the child, their own excessive fatigue, thus causing a decrease in libido. Therefore, after giving birth to a child do not want to cohabit may be a normal phenomenon, generally do not need to worry too much, usually pay more attention to rest, husband and wife more communication, create a good atmosphere, with the prolongation of the postpartum time, couples gradually return to the right track.