Table 3.

Pregnancy outcomes of 2 groups in the NC regimen.

Outcomes		Control group		Crinone group		P
Blood HCG test	Negative	225	35.7%	314	36.2%	.854
	Positive	405	64.3%	554	63.8%
Clinical pregnancy	Fail	317	49.2%	434	49.2%	.978
	Success	327	50.8%	449	50.8%
Live birth	No	382	59.3%	502	56.9%	.335
	Yes	262	40.7%	381	43.1%
Abortion	No	587	91.1%	826	93.5%	.079
	Yes	57	8.9%	57	6.5%
Spontaneous abortion	No	589	91.5%	831	94.1%	.045*
	Yes	55	8.5%	52	5.9%
Induced abortion	No	642	99.7%	878	99.4%	.465
	Yes	2	0.3%	5	0.6%
Stillbirth	No	642	99.7%	882	99.9%	.390
	Yes	2	0.3%	1	0.1%

NC = natural cycle.

^* In Fisher’s exact test, P = .029.