问:怀孕后总是觉得鼻塞是怎么回事?答:孕期鼻塞是一种正常现象。怀孕之际,胚泡着床植入子宫内膜生长时,即开始分泌毛膜促性腺激素,体内雌激素、黄体激素增加,以后胎盘也分泌大量雌激素。此类激素,尤其黄体激素增多,可使鼻黏膜血管扩张充血,发生肿胀,以致鼻腔通气不畅。最近又有研究表明,孕妇鼻塞与体 Q: After the pregnancy is always felt nasal congestion is how the case? A: nasal congestion during pregnancy is a normal phenomenon. Pregnancy, blastocyst implantation implantation of endometrial growth, that is, began to secrete hCG, estrogen, luteinizing hormone increased, after placental secretion of large amounts of estrogen. Such hormones, especially the increase in progesterone, nasal mucosal blood vessels can make dilatation and congestion, swelling occurs, resulting in poor nasal ventilation. Recently, studies have shown that pregnant women stuffy nose and body