Doxycycline Hydrochloride tablets after pregnancy, whether the child can be taken, mainly including the time of taking, the drug itself on the side effects of pregnancy, prenatal examination of the degree of standardization, etc., comprehensive judgment. Taking antibiotics time: generally take antibiotics before intercourse will not cause damage to the fetus, because most of the antibiotics half-life of about 6 hours, so take antibiotics before intercourse has little effect on the fetus. Side effects of the drug itself on pregnancy: Doxycycline Hydrochloride tablets can enter the fetus through the placental barrier and be deposited in the calcareous zone of teeth and bone, causing discoloration of fetal teeth, poor regeneration of tooth enamel and inhibition of fetal bone growth, leading to fetal malformations, and therefore should not be used by pregnant women. Degree of specification of prenatal examination: If due to a short period of time and a small dose, if the pregnancy is to be continued, it is recommended to consult prenatal diagnosis in detail, and for the fetal examination to be taken to a high specification, especially chromosomal examination, amniocentesis or non-invasive DNA testing, etc.; it should also be carried out in a timely manner for the fetal exclusion examination, to avoid chromosomal or organ system malformations of the fetus, etc. Doxycycline hydrochloride is a pregnancy Category D drug, and you need to consult your specialist for details when taking this drug.