4.2末次月经5.6. 33天HCG5895.10 38天HCG18935.13 41天HCG8940 孕酮24.23ng/ml5.17 45天HCG26830mIU/ml 孕酮25.18ng/ml 雌二醇381pg/mlB超显示孕囊1.7*1.5cm未见明显胎芽5.27 55天HCG92154mIU/ml 孕酮：19.87ng/ml 雌二醇697pg/ml最后一次自己去抽的血没给医生看，前四次医生看了没吃任何保胎药，这次孕酮降了是不是危险需要保胎，我未见红，肚子偶尔痛下