Caused by postpartum hemorrhage so severe that the blood loss irreversibly damages the pituitary gland, Sheehan’s syndrome can cause breastfeeding failure. Other symptoms include loss of pubic and underarm hair, inability to tolerate cold, low blood pressure, and atrophy of vaginal tissue, as well as subsequent infertility.

p. 569. For more see:

~ Birthsource.com
~ “Infant Insufficient Milk Syndrome Associated with Maternal Postpartum Hemorrhage” (abstract) from the Journal of Human Lactation

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