If you take doxycycline hydrochloride, it is better to get pregnant after 3 months because although it will be metabolized quickly in the body, there is also concern that there may be residues, so it is recommended to consider pregnancy after 3 months. If pregnancy is carried out too early, it may lead to fetal malformation, which may have an impact on the growth and development of the embryo. Also, if you are planning to get pregnant, all medications are recommended to be under the guidance of a doctor, as some of them may cause fetal malformations. Folic acid tablets are recommended before planning a pregnancy, mainly to prevent fetal neural tube abnormalities and to facilitate eugenics. Doxycycline hydrochloride for gynecology, often used to treat mycoplasma infection or syphilis infection, this drug is an antibiotic and should always be used only under the guidance of a doctor.