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Breast-feeding and plasma oxytocin concentrations
British Medical Journal
|September 27, 1980
Summary
Oxytocin release during breastfeeding is not always essential for milk flow, challenging traditional views. Factors like multiparity may influence oxytocin surges, which can be brief.
Area of Science:
- Reproductive Endocrinology
- Lactation Physiology
Background:
- The role of oxytocin in breastfeeding is traditionally considered crucial for milk let-down.
- Previous research suggests a direct link between oxytocin release and adequate milk flow.
Purpose of the Study:
- To investigate the patterns of oxytocin response during breastfeeding in early postpartum mothers.
- To determine the necessity of oxytocin response for adequate milk flow and its timing.
Main Methods:
- Studied 10 mothers in the first week postpartum.
- Monitored oxytocin levels and milk flow patterns during breastfeeding sessions.
Main Results:
- Oxytocin release was not consistently linked to the initiation of lactation or peak milk flow.
- Multiparity was the only factor positively correlated with oxytocin release.
- Observed brief surges of oxytocin, some lasting less than a minute.
Conclusions:
- The conventional view that oxytocin release is essential for satisfactory milk flow during breastfeeding is questioned.
- Oxytocin response may not be a prerequisite for adequate milk production in established lactation.