Table 4.
Biological samples collected at each visit among women who delivered at MediCiti (768 deliveries)
| Visits | Blood | Urine | Stool | Vaginal swab | Cord blood | Meconium | Placenta biopsyα | Amnion & chorion swab | Breast milk |
|---|---|---|---|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | |
| Registration visit | 768 (100) | 756 (98.4) | 722 (94.0) | 741 (96.5) | NA | NA | NA | NA | NA |
| 1st trimester visit | 707 (92.0) | 706 (91.9) | 612 (79.7) | 696 (90.6) | NA | NA | NA | NA | NA |
| 3rd trimester visit | 743 (96.8) | 737 (96.8) | 661 (86.1) | 743 (96.8) | NA | NA | NA | NA | NA |
| Delivery (PBα, n = 503) | 760 (98.9) | 736 (95.8) | 692 (90.2) | 733 (95.4) | 719 (93.6) | 654 (85.2) | 360 (71.5) | 493 (98.0) | 657 (85.6) |
| Postnatal visit | 710 (92.4) | 705 (91.8) | 535 (69.6) | 703 (91.5) | NA | NA | NA | NA | 614 (80.0) |
NA, not applicable. PB, Placenta biopsy.