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. 2014 Jul 29;2014(7):CD004695. doi: 10.1002/14651858.CD004695.pub3

5.10. Analysis.

5.10

Comparison 5: 30 ug ethinyl estradiol and 300 ug norgestrel, 28‐day versus 49‐day cycles for one year, Outcome 10: Mean bleeding days in third trimester (84 days)