After Lactogenesis II, there is a switch to the autocrine (or local) control system.
Not exact matches
Essentially, as long as the proper hormones are in place, mom will start making colostrum about halfway through pregnancy (
Lactogenesis I) and her milk will increase in volume (
Lactogenesis II) around 30 - 40 hours
after birth.
Although biochemical markers indicate that
Lactogenesis II commences approximately 30 - 40 hours
after birth, mothers do not typically begin feeling increased breast fullness (the sensation of milk «coming in») until 50 - 73 hours (2 - 3 days)
after birth.
Lactogenesis includes all processes necessary to transform the mammary gland from its undifferentiated state in early pregnancy to its fully differentiated state sometime
after pregnancy.
Sometimes moms don't realize it, but receiving the epidural, a prolonged epidural during the delivery can sometimes delay the
lactogenesis process or the milk production process
after the birth.
But
after so much time has elapsed it is not possible to know for sure what did or did not happen during
Lactogenesis II to negatively impact ultimate lactation sufficiency.
In my practice as an International Board Certified Lactation Consultant,
after ruling out known causes of delayed
lactogenesis such as underactive thyroid, postpartum hemorrhage, or retained placental fragments, and
after applying the very best lactation management techniques, I have documented that only one in a thousand (0.1 %) of new mothers simply do not produce any breast milk at all.
Data are limited, however, and theoretical concerns exist because progesterone withdrawal
after delivery of the placenta is thought to trigger onset of
lactogenesis, so exogenous progesterone could prevent onset of milk production (25).
Impact of breastpumping on
lactogenesis stage II
after cesarean delivery: A randomized clinical trial.
Engorgement occurs most of often three to five days
after delivery, as a mother transitions from
Lactogenesis Stage I to Stage 2, commonly referred to as the milk «coming in.»
Initial BMI data was recorded during pregnancy and correlated to the onset of
lactogenesis 2, the stage
after colostrum when milk begins to flow.
Insulin has a direct action on the mammary gland during breast development and is vital to the production and secretion of colostrum (
lactogenesis I), in
lactogenesis II (when lots of milk arrives
after the placenta is born, usually around day 2 or 3 postpartum), and continued lactation.