Contrastings are mainly to prevent sperm from entering the uterus by inhibiting ovulation and increasing the viscosity of cervical mucus, so as to achieve the purpose of contraception.
Whether the pregnancy has an impact on the fetus after oral contraceptives, it is not fully affirmed.
Oral contraceptives can cause adverse effects on the environment in the palace, and it is easy to damage the embryo.Although there are no reports that have increased fetal malformation rate due to the failure of oral contraceptives, from the perspective of eugenics, don’t be better.Unless pregnancy is very difficult, those who are "precious fetuses" should strengthen examination and monitoring during pregnancy to prevent fetal malformations.
(1) Take the fluff tissue for chromosomal examination at 6 to 8 weeks of pregnancy. Donal screening is performed at 16 to 20 weeks of pregnancy.
(2) For 18 to 24 weeks of pregnancy, it is best to check the B -ultrasound of the 22 -week system to understand whether the general form of the fetus and the internal organs are abnormal. If there is no abnormality, you can continue your pregnancy.Otherwise, pregnancy should be terminated in time.
The understanding of authoritative publications at gynecology and gynecology at home and abroad has become consistent.
"William’s Industry Science" (Edition 24): "Without evidence to support oral contraceptives or anti -alpine contraceptive creams, jelly, and abortion and complications increase."
"China Obstetrics and Gynecology" (2004 in 2004): "In recent years, with the improvement of epidemiological research methods and the accumulation of data, and the in -depth understanding of the drug teratogenic mechanism, the understanding of oral contraceptives and congenital malformationsIt is consistent. It is believed that the clinical application of oral contraceptives has no obvious teratogenic effect. "
The World Health Organization "Medical Standards for Choices for contraceptive methods" (3rd edition 2004): "Occasionally using compound oral contraceptives during pregnancy is not known to women’s pregnancy or fetuses."
To sum up, oral short -acting contraceptives can be pregnant after stopping the medicine, and there is no need to wait for 3 to 6 months; if you are in pregnancy, occasionally take a small amount of short -acting oral contraceptives, there will be no known to the mother and the fetus.Harm, there is no need to exercise abortion for this