Table 1.

Clinical features of cases and control groups

	RPL (n = 232)	Parous controls (n = 166)	Population controls (n = 360)
Age, median (range)	32 (21–45)	30 (20–47)	32 (18–55)
Gravidity, median (range)	5 (2–11)	2 (1–9)	/
Parity, median (range)	7 (0–7)	2 (1–9)	/
No. of fetal losses, median (range)	5 (2–7)	/	/
Weeks of early fetal losses, median (range)	8 (6–14)	/	/
Weeks of late fetal losses, median (range)	16 (16–20)	/	/
GDM	20	6	/
GHT	5	0	/

RPL recurrent pregnancy loss, GDM gestational diabetes mellitus, GHT gestational hypertension