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. Author manuscript; available in PMC: 2018 Jul 11.
Published in final edited form as: Contraception. 2017 Jun 5;96(2):99–105. doi: 10.1016/j.contraception.2017.05.012

Fig. 2.

Fig. 2

Kaplan–Meier survival curve estimating IUD continuation rates by chosen method of emergency contraception. Key: Cu IUD, copper IUD;LNG IUD+, same-day 52 mg levonorgestrel IUD plus 1.5 mg oral levonorgestrel. Sensitivity analysis of (a) best and (b) worst-case scenarios and use of the drop-out event as a study end-point.