Thirteen weeks of progesterone, the color of the secretion light yellow may be vaginitis and other causes, can pay attention to personal hygiene, improve lifestyle habits and the use of drugs, etc. for treatment. 1. Pay attention to personal hygiene: thirteen weeks of progesterone secretion color light yellow, considering that may be caused by vaginitis, patients need to pay attention to personal hygiene, keep the vulva clean and dry. 2. Improve lifestyle habits: pregnant women with this symptom need to pay attention to rest, supplement adequate nutrition, ensure adequate sleep, pay attention to improve immunity. 3. the use of drugs: if the inflammation is serious and difficult to control by adjusting lifestyle habits, if necessary, can follow the doctor’s instructions to use clotrimazole vaginal tablets and other drugs for treatment. It is recommended that pregnant women once found thirteen weeks after playing progesterone secretion color light yellow, timely medical perfect relevant examination, standardized treatment. Drugs may cause side effects symptoms, should be used under the guidance of a doctor, do not blindly use drugs.