Table 2. Descriptive assessment of helminth infection in enrolled mother- infants pairs from Benin with follow-up from 29 weeks gestation through child's 1st year of life.
| Characteristics | Infected N (%) or median (range) |
|---|---|
| Helminth infection | |
| At 1st ANC visit | 98 (11.5) |
| During 2nd ANC visit | 62 (7.5) |
| At delivery | 21 (3.0) |
| Helminth species at 1st ANC visit | |
| Hookworms | 81 (9.5) |
| Ascaris lumbricoides | 9 (1.1) |
| Trichuris trichiura | 7 (0.8) |
| Schistosoma mansoni | 2 (0.2) |
| Helminth species at 2nd ANC visit | |
| Hookworms | 52 (6.3) |
| Ascaris lumbricoides | 7 (0.9) |
| Trichuris trichiura | 5 (0.6) |
| Schistosoma mansoni | — |
| Helminth species at delivery | |
| Hookworms | 19 (2.7) |
| Ascaris lumbricoides | 2 (0.3) |
| Trichuris trichiura | — |
| Schistosoma mansoni | — |
| Helminth infection over the course of pregnancy (2 categories) | |
| Never infected | 540 (77.8) |
| Infected at least once | 154 (22.2) |
| Helminth infection over the course of pregnancy (3 categories) | |
| Never infected | 540 (80.2) |
| Infected only once | 108 (16.1) |
| Infected twice or more | 25 (3.7) |
| Hookworm density at 1st ANC visit (epg) | 72 (24–2736) |
| Hookworm density at 2nd ANC visit (epg) | 72 (24–1416) |
| Hookworm density at delivery (epg) | 120 (24–912) |
| Hookworm infection over the course of pregnancy (3 categories) | |
| Never infected | 553 (82.5) |
| Infected only once | 102 (15.2) |
| Infected twice or more | 15 (2.2) |
| Helminth infection by age one year | 61 (32.8) |
| Helminth species in Children by age one year (N = 186) | |
| Hookworms | 8 (4.3) |
| Trichuris trichiura | 39 (20.9) |
| Ascaris lumbricoides | 8 (4.3) |
| Schistosoma mansoni | 3 (1.6) |
| Entorobius vermicularis | 3 (1.6) |
epg- eggs per gram of stool
—indicates no egg found on laboratory examination
ANC- Antenatal Care