Table 1 The epidemiological characteristics and application of TORCH test
Characteristics | No | Application of TORCH test | Others Characteristics | No | |
|---|---|---|---|---|---|
Both IgM and IgG: n(%) | Only IgM: n | ||||
Year | The Distributions of BOH | ||||
2015 | 4953 | 4937 (99.68) | 16 | Infertility | 760 |
2016 | 6387 | 4030 (63.10) | 2357 | Intrauterine foetal death | 37 |
2017 | 6764 | 4699 (69.47) | 2065 | Intrauterine growth retardaion | 7 |
Age | Still birth | 18 | |||
20~25 years | 2659 | 2082 (78.30) | 577 | Habitual abortion | 1557 |
26~30 years | 9755 | 7438 (76.25) | 2317 | Spontaneous abortion | 341 |
≥ 31 years | 5690 | 4146 (72.86) | 1544 | Missed abortion | 4 |
Before pregnancy | 9352 | 6571 (70.26) | 2781 | Fetal congenital malformation | 13 |
Periods of gestation | 8752 | 7094 (81.06) | 1658 | Serologic test | |
First trimester | 3700 | 3297 (89.11) | 403 | Only one time | 17,785 |
Second trimester | 4359 | 3490 (80.06) | 869 | Two or more times▲ | 319 |
Third trimester | 693 | 307 (44.30) | 386 | PCR test | |
BOH group | 2737 | 1115 (40.74) | 1622 | CMV-DNA testa | 59 |
Normal control group | 15,367 | 12,599 (81.99) | 2768 | HSV-2-DNA testb | 5 |