Impact of egg donation deliveries from domestic and overseas sources on maternal care: a questionnaire survey of Japanese perinatal physicians

Table 1 Individual characteristics and institutional characteristics (n = 679)

		n	%
Gender	Male	593	87.5
Marital status	Married	632	93.1
Age	20–29	1	0.1
	30–39	38	5.6
	40–49	183	27.0
	50–59	278	40.9
	60–69	150	22.1
	≥70	29	4.3
Years of experience in obstetrics	<10	14	2.0
27.3 (± 9.2)	10–20	105	15.5
	20–30	273	40.2
	30–40	209	30.8
	≥40	78	11.5
NICU	Yes	133	19.6
Type of medical institution	OB/GYN Clinic^a	357	52.6
	OB/GYN Department at University Hospital	47	6.9
	OB/GYN Department at General Hospital	211	31.1
	Perinatal Medical Center	46	6.8
	Other	18	2.6
Number of deliveries per year	<100	48	7.2
	100–499	420	62.1
	500–999	174	25.7
	1,000–1,999	32	4.7
	>2,000	2	0.3

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