Girls take Dufaston once a day three times every eight hours. Pregnanc…

Girls take Dufaston once a day three times every eight hours. Pregnancy is 17 weeks. The doctor says you can stop taking it. The hormone itself is already being produced at this stage. Instead, he prescribed Buspar. I heard that you can't stop taking it immediately. Now, how many times a day should I take it? Please tell me. I forgot to ask the doctor for his phone number.