Table 2.

Maternal and neonatal outcomes by embryo biopsy status

Outcome	Category	Total % (N=2,776)	Biopsy % (N=585)	No Biopsy	P-Value (unadjusted)
Preeclampsia/	No	95.4	95.7	95.3	0.6291
Eclampsia	Yes	4.6	4.3	4.7
Pregnancy-	No	94.8	94.7	94.8	0.8908
induced	Yes	5.2	5.3	5.2
hypertension
Gestational	No	91.8	92	91.7	0.8591
diabetes	Yes	8.2	8	8.3
Placental	No	94.8	94.8	95	0.8111
abnormalities	Yes	5.2	5.2	5.0
Prolonged stay	No	83.5	78.5	84.8	0.0002
(Maternal)	Yes	16.5	21.5	15.2
Prolonged stay	No	94.3	92.7	94.7	0.0622
(Infant)	Yes	5.7	7.3	5.3
Method of	C-section	46.4	46.7	46.4	0.8988
delivery	Vaginal	53.6	53.3	53.6
Gestational	<27	0.7	0.7	0.6	0.8155
age	28-33	1.5	1.6	1.5
(weeks)	34-36	6.4	6.2	6.4
	37-38	21.6	23.5	21.1
	39+	69.8	68.1	70.3
Preterm birth	No	91.4	91.5	91.4	0.9132
	Yes	8.6	8.5	8.6
Birth weight	<1000	0.6	0.5	0.6	0.2267
(grams)	1001-1500	0.7	0.2	0.8
	1501-2500	3.7	4.6	3.5
	2500+	95.1	94.7	95.2
Low birth	No	95.2	94.7	95.3	0.5306
weight	Yes	4.8	5.3	4.7
Infant sex	Male	52.4	55	51.8	0.1682
	Female	47.6	45	48.2