Antiprogestin drugs: medical and legal issues.

1989; National Institutes of Health; Volume: 21; Issue: 6 Linguagem: Inglês

Autores

Rebecca J. Cook,

Tópico(s)

Reproductive Health and Technologies

Resumo

last-chance contraception. However, if implantation is complete, antiprogestins will prevent gestation of an early embryo, causing its abortion. They thus may also be described as contragestational.7 Antiprogestins can act at different points along a developmental continuum before, during and after completion of implantation. The egg, which is fertilized in the fallopian tube, takes about six days to reach a place in the lining of the uterus where it begins the process of implantation,8 which takes another 6-8 days to complete.9 Thus,

Referência(s)