Table 1.

Clinical data on the 57 control women

Patient number	Age	Termination of pregnancy <12 weeks	Spontaneous abortion <16 weeks	Spontaneous abortions 16 to 23+6 weeks	Cesarean section	Parity Number of deliveries
1	49	2	-	-	-	3
2	48	1	-	-	-	3
3	45	-	2	-	-	-
4	36	1	2	-	-	3
5	44	-	-	-	-	2
6	30	-	-	-	-	2
7	33	1	-	-	2	2
8	41	1	1	-	-	2
9	40	2	-	-	-	2
10	33	1	1	-	1	2
11	34	-	1	-	1	3
12	41	1	-	-	-	3
13	42	1	-	-	-	2
14	34	-	-	-	-	2
15	41	2	-	-	-	2
16	30	-	1	-	-	2
17	39	1	-	-	-	2
18	41	-	-	-	-	-
19	40	1	-	-	-	3
20	38	-	1	-	1	2
21	30	-	4	-	-	2
22	41	2	1	-	-	3
23	39	2	-	-	-	2
24	38	-	1	-	-	3
25	41	-	1	-	-	3
26	40	1	-	-	-	1
27	37	-	-	-	-	3
28	41	-	-	1	-	3
29	37	-	-	-	2	2
30	32	-	-	-	-	2
31	44	-	1	-	-	2
32	42	1	-	-	-	4
33	36	1	-	-	-	2
34	42	-	2	-	-	4
35	44	-	3	-	-	3
36	33	2	-	-	2	3
37	31	-	-	-	-	-
38	43	-	-	-	-	1
39	30	-	1	-	3	3
40	31	-	1	-	-	3
41	42	-	-	-	-	2
42	42	-	-	-	1	1
43	46	1	-	-	-	4
44	39	1	-	-	-	3
45	35	2	2	-	1	3
46	38	-	-	-	-	4
47	36	-	-	-	2	2
48	42	1	-	-	-	1
49	45	-	-	-	-	-
50	42	1	-	-	-	3
51	31	1	-	-	-	2
52	34	-	1	-	-	2
53	41	1	1	-	-	3
54	41	-	-	-	1	2
55	30	-	-	-	-	-
56	39	1	1	-	-	3
57	29	-	-	-	-	3

All women had normal pregnancies and deliveries at term