20 days pregnant taking progesterone and brown discharge may be before the vagina or the uterine cavity of the accumulation of blood is not discharged, but also may be due to endocrine disorders and other causes of bleeding.
1. the uterine cavity or vaginal blood slowly discharged: in the early stages of pregnancy due to luteal insufficiency or lack of progesterone can easily lead to preeclampsia, after taking progesterone, although the supplemental progesterone, but the vagina and the uterine cavity of the blood has not been discharged, usually about a week, so it is possible to eat progesterone also appeared to have a vaginal discharge of brown secretions.
2. Endocrine disorders and other factors: endocrine disorders, uterine inflammation, cervical lesions and other factors can also bleed, leading to the phenomenon of vaginal discharge of brown secretions.
So if there is still a brown vaginal discharge after taking progesterone, you should go to the hospital in time to avoid serious consequences.