Patient's question:
Medical history: I have had three miscarriages before. The first one, six years ago, caused severe bleeding. The second one was a natural miscarriage, and the third one was last year when I had to give up the child due to illness. Now, I want to get pregnant but it's not happening. My uterus is small and slightly tilted to the right. Last month, after my period lasted for seven days, it took a long time for the pregnancy test to show a faint positive result, but it ended with bleeding...Current condition: In the past six months, we have not been using any form of contraception, but we have not been able to conceive. Starting last month, my usually regular period began to delay, and I could detect a faint positive result on a pregnancy test. After one week of the period passing, I experienced bleeding. This month, it is also delayed, but the test...
Doctor's answer:
Hello, the causes of threatened miscarriage can generally be divided into two major aspects: the pregnant woman and the fetus. In terms of the pregnant woman, factors include endocrine dysfunction such as luteal function insufficiency and hypothyroidism. Infections, high fever, severe anemia, severe malnutrition, exposure to radiation or toxic substances, and reproductive tract abnormalities such as bicornuate uterus and uterine fibroids are all prone to cause threatened miscarriage. Factors related to the fetus are most prominent, with chromosomal abnormalities of the fertilized egg accounting for about 25% of all miscarried fetuses. Statistics show that 100% of miscarriages in the first four weeks of pregnancy are, with 75% being chromosomal abnormalities. In miscarriages before 12 weeks of pregnancy, account for about 12%, with 5.3% being chromosomal abnormalities. It is recommended to pay attention to the above reasons.