Vaginal Ring Flashcards
Efficacy?
93%
Acne?
Weight gain?
VTE?
Improves
Neutral
Increases ( maybe higher than COCs)
Bleeding
Cycle Control?
Withdrawal/Spotting?
Yes
Continuous or extended use usually results in amenorrhea within 1 year, spotting may increase at first
Adverse Effects?
Nausea, Breast Tenderness, Bloating
Vaginitis, leukorrhea, decreased bleeding and nausea compared to other CHCs
Drug Interactions
Decrease in hormone levels with CYP34A4 inducers ( anticonvulsants, some anitvirals )
Return to Febrility?
Most will ovulate after a month, 99% will ovulate after 3-6 months
Additional Considerations?
Decrease in ovarian, endometrial and colorectal cancer
May increase Breast cancer risk and cervical cancer risk
One size fits all
Partner may feel ring during sex
May increase libido
Initiation and Dosing
1 ring inserted vaginally for 3 weeks, then HFI for 1 week
1 ring placed for 3-4 weeks with one ring free week every 3,6,12 months
1 ring replaced every 3-4 weeks
Dose?
EE15 mcg and etonogestrel 120 mcg released daily