Table 3.
Number of women, gravidity/parity, and gross cumulative discontinuation rates per 100 users of GyneFix 330 and GyneFix 200 IUDs.
| Study Copper surface area (mm2) Follow-up Interval/postabortal | No of women | % nulligravid/nulliparous | Pregnancy | Expulsion | Removal rate for bleeding/pain |
|---|---|---|---|---|---|
| Wildemeersch et al17 GF390 – 18 months Interval |
382 | 38.5 | 0.3 | 0.6 | 3.1 |
| Van Kets et al18 GF330 – 36 months Interval |
1039 | 26.7 | 0.5 | 0.7 | 3.8 |
| Wu et al19,* GF330 – 36 months Interval |
302 | 0.0 | 0.0 | 3.0* | 4.5 |
| Cao et al21 GF200 – 60 months Interval |
392 | 24 | 0.5 | 0.4 | 0.8 |
| Batár et al23 GF330 – 12 months Postabortal up to 10 weeks |
112 | – | 0.0 | 0.0 | 5.0 |
| Gbolade24 GF330 – 1 follow-up in 30 women Postabortal up to 13 weeks |
44 | – | 0.0 | 0.0 | 3 removals for bleeding |
| Martinez et al25,* GF330 – 12 months Interval |
1684 | 18.6 | 0.3 | 5.6* | 3.0 |
Note:
*
Majority of investigators were not trained.
Abbreviation: IUD, intrauterine device.