Table 2.

Cycles related to pregnancy, characteristics of outcomes

	Gonadotropin cycles (2007–2017)
	REC		EXT		CBD		Total
	N = 45,554 (50.5%)		N = 24,509 (27.1%)		N = 20,229 (22.4%)		N = 90,292
Effectiveness outcomes
		%		%		%		%
Pregnancy interrupted	1907	4.2	970	4.0	902	4.5	3779	4.2
Pregnancy (birth rate)	5475	12.0	2556	10.4	2472	12.2	10,503	11.6
Conception rate	7382	16.2	3526	14.4	3374	16.7	14,282	15.8
Number of cycles to get to a pregnancy/pregnancy interrupted
1	3232	43.8	1421	40.3	1415	41.9	6068	42.5
2	2023	27.4	1037	29.4	788	23.4	3848	26.9
3	1002	13.6	492	14.0	526	15.6	2020	14.1
4 +	1125	15.2	576	16.3	645	19.1	2346	16.4
Safety outcomes* (child)
# of children at delivery
1	4452	81.3	2131	83.4	2014	81.5	8597	81.9
Multiple births	1023	18.7	425	16.6	458	18.5	1906	18.1
2	958	17.5	394	15.4	437	17.7	1789	17.0
3 +	65	1.2	31	1.2	21	0.8	117	1.1
Caesarean section	3540	64.7	1615	63.2	1559	63.1	6714	63.9
Born alive	5465	99.8	2552	99.8	2461	99.6	10,478	99.8
Sex
Male	3069	51.6	1395	50.3	1387	51.4	5851	51.2
Female	2877	48.4	1378	49.7	1314	48.6	5569	48.7
Not available	2	0.0	2	0.1	0	0.0	4	0.0
Small for gestational age (SGA)	900	16.4	450	17.6	411	16.6	1761	16.8
Low birth weight (LBW)	1282	23.4	568	22.2	559	22.6	2409	22.9
Preterm	1222	22.3	539	21.1	542	21.9	2303	21.9
Apgar score:
Excellent condition	5291	96.6	2499	97.8	2407	97.4	10,197	97.1
Moderately depressed	65	1.2	22	0.9	20	0.8	107	1.0
Severely depressed	118	2.2	35	1.4	44	1.8	197	1.9
Apgar missing	1	0.0	0	0.0	1	0.0	2	0.0
Admission to emergency neonatal therapy	601	11.0	274	10.7	281	11.4	1156	11.0
Safety outcomes* (mother)
Ovarian hyperstimulation syndrome (OHSS)	35	0.6	14	0.5	15	0.6	64	0.6
Pre-eclampsia	118	2.2	43	1.7	53	2.1	214	2.0
Gestational diabetes	228	4.2	105	4.1	96	3.9	429	4.1

*Denominator refers to cycles related to births