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Porcentaje de embarazos y día de toma de la píldora anticonceptiva de urgencia de levonorgestrel tras el coito no protegido
|
% de embarazos |
||
|---|---|---|
| Día de la toma | Ensayo 19981 | Ensayo 20022 |
| 1.° día | 0,4 | 1,7 |
| 2.° día | 1,2 | 0,7 |
| 3.° día | 2,7 | 2,5 |
| 4.° día | – | 1,1 |
| 5.° día | – | 4,8 |
Lancet 1998;352:428–433.
Lancet 2002;360:1803–10.
