The fourth week of pregnancy occasionally light pink blood physiological causes do not need to deal with, preeclampsia caused by the need to pay attention to rest, appropriate treatment of fetal preservation. 1. Physiological reasons: some pregnant women in early pregnancy fertilized egg implantation will appear in the implantation period bleeding, can be manifested as a small amount of vaginal flow of light pink blood, can also be accompanied by a slight pain in the lower abdomen, the progesterone and blood HCG (human chorionic gonadotropin) test is normal, this is a normal physiological phenomenon, do not need to be treated. 2. Pre-eclampsia: It can also cause a small amount of vaginal bleeding, accompanied by paroxysmal lower abdominal pain, combined with progesterone and blood HCG levels to assist in the diagnosis of ultrasound is not clear that the normal pregnancy, can be temporarily observed, but after a clear diagnosis of the need to follow the doctor’s instructions to rest, and give progesterone and other medications to protect the fetus treatment. 3. Cervical polyps: can also cause a small amount of vaginal bleeding in early pregnancy, not accompanied by abdominal pain, gynecological examination can assist in the diagnosis. Occasional vaginal bleeding can be temporarily observed, when recurring need to follow the doctor’s orders for surgical removal, after surgery to send a pathology examination. Occasional light pink blood in the fourth week of pregnancy needs to go to the hospital in time to identify the cause and timely treatment. The use of specific drugs need to be under the guidance of the doctor.
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