New mothers who do not breast-feed usually regain their menstruation within 6-10 weeks after delivery; while new mothers who breast-feed may regain their menstruation at any time within 2-18 months after delivery, averaging 6-8 months, and even some new mothers do not have menstruation during breast-feeding.

What is the reason why postpartum menstruation is delayed?

The most common causes of postpartum menorrhea are long-term breastfeeding, re-pregnancy, slow recovery of ovarian and endocrine functions, and Sheehan’s syndrome caused by postpartum hemorrhage.

Lactation: The first postpartum menstruation is most affected by lactation, and the number of lactation is closely related to the time of menstruation. Generally speaking, the more times of breastfeeding and the longer time of breast-feeding, the later the time of menstrual resurgence; because the number of breastfeeding and the time of breast-feeding will change after infants begin to add supplementary food, the earlier the infants add supplementary food, the less the number of breastfeeding and the time of breast-feeding will be correspondingly reduced, and the time of menstrual resurgence will be correspondingly advanced.

The time of rebound varies from person to person. Besides being affected by breast-feeding, it is also related to the time when infants begin to add supplementary food, the age of puerpera, the recovery of ovarian function and endocrine function.

Re-pregnancy: For new mothers with long postpartum menstruation and no resurgence, be alert to the possibility of re-pregnancy. Non-lactating new mothers usually resume ovulation about 10 weeks after delivery, while lactating new mothers resume ovulation 4-6 months after delivery on average. In addition, the late postpartum menstruation, most of the mothers have ovulated before the first menstruation, so even if the mothers did not menstruate again, it is possible to become pregnant.

Obviously, before menstruation does not resume, the recovery of sexual life should also pay attention to contraception. If you wait for the “first” menstruation after delivery for a long time, you should go to the hospital to determine if you are pregnant again.

Sheehan’s syndrome: refers to postpartum hemorrhage, hemorrhagic shock, diffuse intravascular coagulation and so on, resulting in the ischemic atrophy and necrosis of the pituitary gland in Mommy, the hormone secreted by the anterior pituitary decreases, thus no menstruation.

Sheehan’s syndrome may also lead to thyroid dysfunction, such as wasting, dyspepsia, chills, fatigue, atrophy of sexual organs, low basal metabolism and hair loss. When these symptoms occur, they should be treated in time.


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