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Table 1 Progesterone therapy for the prevention of preterm birth: type, method of administration, dose and interval.
| Type | Method of administration | Dose (mg) | Interval |
|---|---|---|---|
| 17-OHPC: 17α-hydroxyprogesterone caproate | |||
| 17-OHPC | Intramuscular injection | 250 | Weekly |
| Natural micronised progesterone | Vaginal pessary | 100, 200, 400 | Daily |
| Vaginal gel | 90 | Daily | |
| Oral (capsule) | 200, 400 | Daily | |
