The generic name of TAF is Tenofovir Tenofovir Propionate Fumarate Tablets and it is generally possible to get pregnant on this medication. Tenofovir Tenofovir Propionate Fumarate Tablets are mainly used for the treatment of chronic hepatitis B. It is mentioned in the drug insert that this drug is a pregnancy category B drug, i.e., it can be taken by a pregnant woman if there is a definite need for it, and there are no data yet to show that this drug can cause malformations in the fetus or neonatal toxic reactions. Therefore it is usually possible to get pregnant by taking this drug. However, the drug may be secreted into breast milk after taking it, which may have an effect on the nursing newborn. Therefore, it is recommended that women consult their doctor promptly after pregnancy and need to change to another drug that has no effect on breastfeeding before labor or breastfeeding. This drug may cause adverse reactions such as diarrhea, vomiting, nausea, flatulence after taking it. It is contraindicated for those who are allergic to the active ingredient or to excipients such as alpha lactose and microcrystalline cellulose.