150
Participants
Start Date
July 1, 2025
Primary Completion Date
January 1, 2030
Study Completion Date
July 1, 2030
transdermal 17β-E2 with cyclic progestin
100-mcg transdermal 17β-E2 patch (to be applied twice weekly) (continuous use), with 200 mg micronized progesterone given for 12 days of every month
oral 17β-E2 with cyclic progestin
2 mg of oral 17β-E2 pills daily, with 200 mg micronized progesterone given for 12 days of every month
transdermal EE+LNG
transdermal EE (30 mcg) + LNG (120 mcg) contraceptive patch (TWIRLA). Patch will be applied once a week for 3 consecutive weeks, with the 4th week off the patch (to be repeated after 4 weeks).
University of Virginia Medical Center, Charlottesville
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
University of Virginia
OTHER