Table 2.

Results by regimen (pregnancies of known location only)

Regimen	Population*	Pregnancies	Ectopic	% of pregnancies that were ectopic (95% CI)
Mifepristone (all)	35,867	494	3	0.6% (0.1% – 1.8%)
English studies	14,669	179	2	1.1% (0.1% – 4.0%)
Chinese studies	21,197	315	1	0.3% (0.0% – 1.8%)
Levonorgestrel (all)	15,696	307	3	1.0% (0.2% – 2.8%)
English studies	11,405	201	2	1.0% (1.2% – 3.5%)
Chinese studies	4,291	106	1	0.9% (0.0% – 5.1%)

^†Excludes women who received treatment but either were known to have been pregnant before treatment or were lost to follow-up after treatment.