问:我结婚6年了,先后3次怀孕,但都在两个月左右出血。经超声波检查说胎儿发育不好,最后只好流产、清宫。去年5月,我和丈夫专门到北京妇产医院就医,检查内分泌、精液等。今年3月份,我们又面对第3次胎儿发育不好而做流产。现将化验单寄去,请问,是什么原因引起的胎儿 Q: I have been married for 6 years and have pregnant 3 times before, but both have bleeding in about two months. Ultrasound examination that fetal development is not good, and finally abortion, the Qing. Last May, my husband and I specifically went to Beijing Maternity Hospital for medical examination, endocrine, semen and so on. In March of this year, we faced the third miscarriage and did abortion. Now sent a single test, may I ask, what is the cause of the fetus