Stopping the use of progesterone tablets in early pregnancy with brown blood may be related to withdrawal bleeding, preeclampsia and other conditions. 1. withdrawal bleeding: in early pregnancy, due to low progesterone, need to take progesterone tablets, if this drug suddenly stop, will make the level of progesterone drop, causing withdrawal bleeding phenomenon; this situation is not a lot of bleeding, can be manifested as brown, light pink blood. 2. Pre-eclampsia: Pregnant women’s progesterone is on the low side, suddenly stop using progesterone tablets may increase the chances of miscarriage; at this time there has been vaginal bleeding, if accompanied by obvious abdominal pain, you need to consider the possibility of pre-eclampsia. To summarize, it is recommended that pregnant women strictly follow the doctor’s instructions to take medication, can not stop taking medication without authorization; if there is any discomfort, you need to consult a doctor in a timely manner.