During pregnancy and the first few days postpartum, milk supply is hormonally driven — this is called the endocrine control system. 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 hours after birth. This abrupt withdrawal of progesterone in the presence of high prolactin levels cues Lactogenesis II copious milk production. Other hormones insulin, thyroxine, cortisol are also involved, but their roles are not yet well understood. These first two stages of lactation are hormonally driven — they occur whether or not a mother is breastfeeding her baby. This maintenance stage of milk production is also called Lactogenesis III.
How to Rebuild or Increase Your Breast Milk Supply
When can I expect my milk to increase? Milk production normally begins to increase biochemically between 30 and 40 hours after delivery of the placenta, but it may take a little while for the changes to become apparent to the mother. Research indicates that this timing is hormonally controlled — it does not require that baby be breastfeeding at all. Milk production will begin to shut down if milk is not being removed by the time your milk is coming in.
Please do not print multiple copies of this leaflet as we are a small charity and leaflet sales support our work. What is relactation? Relactation is when someone restarts breastfeeding after a gap. She may have not breastfed for several days, weeks, months or years. Why do it?
Tips to Create Your Stockpile Start pumping after the first weeks, if possible. In the early weeks, before your supply has regulated, you will likely have more milk than you need. If you start pumping during this period, you may end up with oversupply. Wait weeks if you can.