Pink discharge during intercourse in the sixth week of pregnancy may be caused by preeclampsia, embryonic abruption, vaginitis, etc. Symptoms can be improved by general treatment, medication, surgery, and so on. 1. Pre-eclampsia: Pregnant women should take proper rest, avoid strenuous activities, prohibit sexual intercourse, and pay attention to supplemental nutrition. Pregnant women can use progesterone under the guidance of the doctor to protect the fetus. 2. Embryonic Fertilization: You can go to the hospital for ultrasound examination in time. If the embryo has stopped, you can follow the doctor’s instruction to use Misoprostol and other drugs for treatment, or you can terminate the pregnancy through artificial abortion. 3. Vaginitis: when a pregnant woman in her sixth week of pregnancy suffers from vaginitis, this kind of situation may also occur. Pregnant women with mild symptoms should pay attention to personal hygiene in their lives, change and wash their underpants frequently, keep their private parts clean and dry, and reduce the breeding of bacteria and the invasion of viruses. Pregnant women with serious conditions can follow the doctor’s instructions to use sodium bicarbonate solution and other drugs to wash the perineum to relieve symptoms. It is recommended to strictly follow the doctor’s prescription of medication, actively cooperate with the doctor’s treatment, and pay attention to the monitoring of the condition, if there is any abnormality, consult the doctor in time.