Table A4.
CMV shedding among pregnant women according to time of gestation.
Country | Testing Method | Specimen Type | Time of Gestation | Sample Size | Shedding % |
---|---|---|---|---|---|
Japan [88] | Culture | Genital secretions | 1st trimester | 30 | 0 |
2nd trimester | 62 | 6 | |||
3rd trimester | 61 | 17 | |||
Taiwan [71] | PCR | Urine | 15 weeks | 350 | 3 |
25 weeks | 350 | 9 | |||
Genital secretions | 15 weeks | 220 | 17 | ||
25 weeks | 220 | 24 | |||
Taiwan [22] | PCR | Urine (longitudinal collection) | 1st trimester | 207 | 1 |
2nd trimester | 207 | 10 | |||
3rd trimester | 207 | 13 | |||
Urine (cross-sectional collection) | 1st trimester | 906 | 4 | ||
2nd trimester | 395 | 10 | |||
3rd trimester | 273 | 13 | |||
Genital secretions (longitudinal collection) | 1st trimester | 54 | 13 | ||
2nd trimester | 54 | 32 | |||
3rd trimester | 54 | 35 | |||
Genital secretions (cross-sectional collection) | 1st trimester | 217 | 15 | ||
2nd trimester | 140 | 40 | |||
3rd trimester | 81 | 37 | |||
US-Alabama [18] | Culture | Genital secretions | 1st trimester | 183 | 2 |
2nd trimester | 359 | 6 | |||
3rd trimester | 317 | 11 | |||
US-Pennsylvania [101] | Culture | Genital secretions | 1st trimester | 43 | 2 |
2nd trimester | 83 | 7 | |||
3rd trimester | 49 | 12 |