Breastfeeding Perceptions and Behavior Among Postpartum Women Initiating Different Hormonally Systemic Contraceptive Methods.
Susan Frances Wilson, Matthew Ponzini, Machelle Wilson and 3 others
PMID 35786071WHAT IT FOUND
At the six-month follow-up, breastfeeding rates did not differ significantly between women choosing a hormonal intrauterine device or implant, a DMPA injection, or a non-hormonal method.
DMPA users had lower breastfeeding rates than non-hormonal users at earlier follow-ups.
Key findings
01At the six-month follow-up, any breastfeeding in the hormonal LARC and DMPA groups was not significantly different from the non-hormonal group.
02DMPA users had lower any breastfeeding rates at 6 weeks and 3 months compared with non-hormonal users, even after controlling for baseline breastfeeding intention.
03Decreased milk supply was the most common reason participants gave for stopping breastfeeding, and by 6 months there was no significant difference between groups.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The study included only Medicaid-insured women from one hospital, so results may not apply to privately insured women or other settings. Breastfeeding was self-reported, not objectively measured. Participants were grouped by initial contraceptive choice, but some may have switched methods during follow-up. Women who wanted progestin-only pills were excluded because receipt could not be verified. Many participants could not be contacted for later surveys. Sample size and power were lower at 3 and 6 months. The sample was defined by sex and ability to conceive and did not address gender.
Declared interests
No conflict-of-interest disclosures are reported. The article is categorized as NIH extramural research support.
The easy way to misread this
Do not conclude that DMPA causes breastfeeding failure. The primary six-month breastfeeding outcome was not significantly different between the hormonal groups and the non-hormonal group, and fewer DMPA users reported stopping because of low milk supply than other groups.