BIOL30001 Lecture Notes - Lecture 19: Lactational Amenorrhea, Kalahari Desert, Estrous Cycle
16 Oct 2018
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Major problem of mothers starting breastfeeding is sore nipples. Need to get whole areola into mouth so nipple is at back of throat. Only last year were parliamentarians allowed to breastfeed in the. New guinea highlanders girls aged 2, 4, 6, 16, 18, 20; only 20 year old is likely to be fertile because most developing countries age of menarche is later. Suckling duration: !kung mother and 3 year old child, kalahari desert traditional life style norm for lactation of 3-4 years. Note how the child has the whole areola in its mouth correct positioning: compare !kung short feeds many times a day to recommendations of paediatric texts eg feed for 20 mins every 3 hours. Birth intervals: suckling frequency, via neuroendocrine feedback, controls birth spacing, breastfeeding is nature"s contraceptive, if you erode breastfeeding you erode the contraceptive e ect, the bottle of baby formula is a conceptive .
