Table 2.
Number and percentage of metformin exposures with maternal diabetes, polycystic ovary syndrome (PCOS), and infertility or a combination of these diagnoses
| Indication for metformin use | Metformin exposures |
|---|---|
| All registries | (n=168) |
| All diabetes (pregestational or gestational) | 86 (51) |
| Pregestational diabetes | 64 (38) |
| Excluding Norway * | (n=125) |
| Single indication: | |
| Pregestational or gestational diabetes | 59† (47) |
| PCOS | 16 (13) |
| Infertility | 11 (9) |
| Two indications: | |
| Pregestational or gestational diabetes and PCOS | 7‡ (6) |
| Pregestational or gestational diabetes and infertility | 2‡ (2) |
| PCOS and infertility | 7 (6) |
| No indication | 23 (18) |
*
Owing to limited data on maternal illness from this registry.
†
51 (41%) with pregestational diabetes.
‡
2 (2%) with pregestational diabetes.