Answer
For hormones released by NuvaRing, etonogestrel has a terminal elimination half-life of approximately 29 hours, while ethinylestradiol has a median terminal elimination half-life of approximately 34 hours, with large individual variation.
Sources for this answer
- NuvaringOrganon Pharma (UK) Limited · emc · SmPC §5.2 Pharmacokinetic properties · Version 23Document updated
Sources checked