Table 1.

Term, late preterm and early preterm delivery in deliveries with placental problems and PIH and in fertile, ART-treated and ART subgroups.

Condition or Treatment	Total		Term		LPTB		EPTB
	N	%	N	%	N	%	N	%
Total	218,320	100.00	204,207	93.54	10,662	4.88	3451	1.58
Pregnancy-Induced Hypertension (PIH)	25,172	100.00	21,627	85.92	2469	9.81	1076	4.27
Abruptio placentae	2511	100.00	1602	63.80	433	17.24	476	18.96
Placenta previa	1677	100.00	1247	74.36	320	19.08	110	6.56
Vasa Previa	117	100.00	49	41.88	57	48.72	11	9.40
Placenta accreta	1128	100.00	982	87.06	93	8.24	53	4.70
Placenta Problems (Composite of abruptio placentae, placental previa, vasa previa, placenta accreta)	5277	100.00	3810	72.20	853	16.16	614	11.64
Fertility Group
Fertile	204,438	100.00	191,779	93.81	9621	4.71	3038	1.49
ART	13,882	100.00	12,428	89.53	1041	7.50	413	2.98
Fresh	10,787	100.00	9685	89.78	789	7.31	313	2.90
Frozen	2941	100.00	2612	88.81	235	7.99	94	3.20
Autologous egg	12,633	100.00	11,353	89.87	918	7.27	362	2.87
Donor egg	1248	100.00	1074	86.06	123	9.86	51	4.09
ICSI 2	5050	100.00	4527	89.64	378	7.49	145	2.87
No ICSI 1	5887	100.00	5285	89.77	428	7.27	174	2.96

¹ LPTB = Late preterm birth; EPTB = Early preterm birth; ² Includes fresh and combo fresh + frozen cycles.