Oxytocin (trade name Syntocin) WILL NOT dry up your milk. The milk flow is controlled by an inhibitor/promoter system in the brain. Prolactin is the hormone that cause milk production, Oxytocin is the hormone that causes milk let-down. Dopamine inhibits prolactin secretion, and thus is a brake on lactation.
Reasons for breast feeding failure include:
low prolactin levels (rare, but possible)
low Oxytocin levels (could be caused by stress)
high Dopamine levels (due to medications or stress)
Other reasons:
some problem with the breast tissue itself
pain/sensitivity problems for the mother (an abdominal wound from a c-section can cause some difficulties if the woman finds it painful to hold the baby while she breastfeeds)
not putting the baby to the breast often enough (30mins out of every 2 hours in the first few days should be spent breastfeeding)
breastfeeding at night will have the greatest effect on prolactin levels, so mothers are encouraged to feed for longer and more often in the evenings to increase milk production.
Placental separation is the biggest cue for the hormones involved in lactation to get going. For that reason, women who have c-sections aren’t missing out on anything, as their placentas will be separated and removed during the surgery. The differences are that they have had a major abdominal surgery, will require substantial pain relief, and the circumstances that have lead to the c-section may have been very stressful and traumatising.Opiate analgaesics and some psychiatric medication will have detrimental effects on hormone levels and thus milk production, but it won’t apply to most women unable to breastfeed. However, stress reduces oxytocin secretion, and a woman who has undergone a c-section would definitely fall under the “stressed” category in anyone’s book.
Violet9 the drug used to decrease milk supply is Bromocriptine, a dopamine agonist, hence it reduces prolactin activity.
If you cannot provide enough milk to maintain you baby’s weight and health or find it too painful NO-ONE should make you feel bad about swapping to bottles, you gave it a go, it didn’t work for you and your baby, you made a sensible decision to stop.
The people breastfeeding campaigns try to target are women who don’t even want to TRY breastfeeding and who are depriving their children of breastmilk WITHOUT GOOD REASON.
It is, however entirely up to each woman to work out what is a good reason for her to bottlefeed. If she feels she has a good reason to bottlefeed, despite education on the benefits of breastfeeding, you let her get on with it.
In case anyone is interested the current WHO guidleine say that infants should be breastfed exclusively for the first 6 months of life, and on demand from 6 months until 2 years, and possibily longer.
Bear in mind those guidelines are world-wide, and may be less appropriate in developed countries or cultures where breastfeeding after infancy is not widely practised.