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. 2025 Jun 24;312(3):949–957. doi: 10.1007/s00404-025-08100-9

Table 1.

Demographics of the study participants

Demographics	N	Percentage (%)
Total	2530
Couples	486	38.42
Singulars	1558	61.58
Participants’ age (years)
≤ 24	301	11.90
25–29	913	36.09
30–34	839	33.16
35–39	361	14.27
≥ 40	116	4.58
Pregnancy status of female
Not pregnancy	354	18.47^a
Pregnancy (weeks)	1563	81.53^a
≤ 12	240	15.36^b
12 ~ 16	952	60.91^b
16 ~ 20	345	22.07^b
20 ~ 24	22	1.41^b
> 24	4	0.25^b
Gravidity
0	196	10.22^a
1	1205	62.86^a
≥ 2	464	24.21^a
NA	52	2.71^a
Parity
0	1589	82.89^a
1	221	11.53^a
≥ 2	55	2.87^a
NA	52	2.71^a

^aPercentage of 1917 female participants

^bPercentage of 1563 pregnancy female participants