Table 3.
Comparison of IUD expulsion rate after post-placental insertion following cesarean or vaginal delivery
| Type of IUD | Subjects | Expulsion rate
|
Comments and reference | |
|---|---|---|---|---|
| PPCS | PPV | |||
| TCu 220 | 554 | 10.9 | 16.4a | 3 month cumulative15 |
| TCu 380A | 19 | 0 | 50b | Ultrasound detection cumulative at 12 months20 |
| Delta T | 52 | 4.1 | 20.5b | 6 month cumulative23,24 |
| Delta loop | ||||
| Delta T 24 | 83 | 3.9 | 7.5 | Catgut strings on IUDs cumulative at 12 months24 |
| Delta loop 26 | ||||
| Delta Beijing 33 | ||||
| Metal ring ± 3 catgut knots | 906 | 5.5 | 23.5 | Cumulative at 12 months24 |
Notes:
a
P<0.05
b
P<0.001. TCu 380 (Teva Pharmaceutical Industries Ltd., Petach Tikva, Israel); Delta T, Delta loop, Delta T 24, Delta Beijing, Metal ring (Chinese Government, Beijing, People’s Republic of China).
Abbreviations: IUD, intrauterine device; PPCS, post-placental insertion after cesarean section; PPV, post-placental insertion after vaginal delivery.