There are fetal heart buds injection of progesterone still intermittent a small amount of brown discharge may be tired, low progesterone levels, miscarriage and other reasons, can be relieved through rest, intramuscular injection of progesterone treatment. 1. Exhaustion: If the pregnant woman is too tired during pregnancy, excessive psychological pressure, low mood, etc., may lead to the emergence of fetal heart buds injected with progesterone, or a small amount of brown secretion of the situation. At this time, pregnant women should pay attention to rest, maintain a pleasant mood, avoid excessive anxiety and tension, favorable to the development of the fetus. 2. Low level of progesterone: If the amount of progesterone injected is insufficient, resulting in the level of progesterone in the pregnant woman’s body can not maintain a normal pregnancy, there will also be brown secretions. At this time, pregnant women can continue to intramuscular injection of progesterone for treatment. 3. Pre-eclampsia: If it is due to embryonic or fetal chromosomal abnormalities leading to pre-eclampsia, intramuscular injection of progesterone treatment is usually not effective, there will be fetal heart buds injection of progesterone also intermittent a small amount of brown secretion. In this case, miscarriage is inevitable and the pregnancy should be terminated promptly. If there is a fetal heart bud injection progesterone still intermittent a small amount of brown discharge, it is recommended to consult a doctor, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, targeted treatment.