Table 1.
Monitoring of the fetal HR, AV interval, maternal serum antibody and medication during pregnancy.
| Gestational weeks | Heart rate(bpm) | AV interval (ms) | Anti-SSA/Ro antibodies | Antinuclear antibodies (titer) | Usage of IVIG |
|---|---|---|---|---|---|
| Prior to conception | — | — | >400 RU/ml | 1:1,000 | — |
| 12 + 1 weeks | 149 | 108 | >400 RU/ml | 1:320 | Twice a week |
| 13 + 1 weeks | 151 | 104 | — | — | Ibid |
| 14 + 6 weeks | 153 | 100 | — | — | Once two weeks |
| 16 + 6 weeks | 150 | 105 | >400 RU/ml | 1:1,000 | Ibid |
| 20 + 6 weeks | 146 | 113 | — | – | Once a month |
| 24 + 6 weeks | 148 | 120 | >400 RU/ml | 1:1,000 | Ibid |
| 25 + 6 weeks | 143 | 138 | — | — | Once every 3 weeks |
| 27 + 6 weeks | 146 | 130 | >400 RU/ml | 1:1,000 | Ibid |
| 30 + 6 weeks | 142 | 123 | — | — | Ibid |
| 33 + 6 weeks | 140 | 123 | — | — | Ibid (the last dosage) |
| After delivery | — | — | 282.2 RU/ml | 1:320 | — |
AV, atrioventricular; ibid, ibidem (in the same location).