Flashcards in Lectures 26 & 27: Embryology, Pregnancy And Childbirth Deck (33)
Postnatal involution of the uterus
The period when the mother’s body reverts to the typical non-pregnant state, morphologically and physiologically.
It has no sharp end but is conventionally regarded as lasting 6 weeks.
Involution of the uterus is rapid over first few days postpartum then tapers off until effectively back to quiescent state by 6 weeks; - pink immediately post delivery; blue at 5 days postpartum; black at 12 days postpartum.
True milk 2-3 days to come in.
• “Let-down” Reflex: oxytocin binds to myoepithelial cells surrounding alveoli ➡ milk ejected form alveoli into ducts from both breasts