Table I.

General information about the participants.

Sample ID	Maternal age (years)	Reproductive history	Gestational age	Fetal sex
1	28	G1P0	18 week	46, XX
2	37	G2P0	19 week+ 3 day	46, XX
3	33	G1P0	20 week	46, XX
4	24	G3P0	19 week+ 6 day	46, XY
5	32	G4P1	22 week	46, XY
6	27	G1P0	21 week+ 5 day	46, XX
7	26	G2P0	39 week+ 6 day	46, XY
8	27	G3P1	41 week+ 1 day	46, XX
9	29	G3P1	40 week+ 5 day	46, XY
10	31	G2P0	39 week+ 4day	46, XX
11	34	G2P1	40 week+ 2 day	46, XY
12	25	G2P1	38 week+ 6 day	46, XX