What are the early signs of miscarriage?

Patient's question:

Hello! I would like to ask what are the symptoms of miscarriage? Thank you

Doctor's answer:

The signs of threatened miscarriage are the initial stage of a miscarriage. The main symptoms include slight vaginal bleeding, lower abdominal pain or backache. Some pregnant women may continue their pregnancy after rest and treatment. If the pregnant woman experiences increased lower abdominal pain, heavier bleeding, or even the discharge of blood clots or amniotic fluid, it indicates that continuing the pregnancy is no longer possible, and she should seek medical attention promptly.
When a pregnant woman shows signs of threatened miscarriage, an ultrasound diagnostic examination should be performed. First, it is necessary to confirm whether the fetus is still alive and whether other conditions are normal. If the fetus has died, there is no need for further treatment to preserve the pregnancy, and an induced abortion should be performed as soon as possible. If the fetus is normal, it may be considered to preserve the pregnancy. In addition to bed rest, medication can also be used. Clinically, progesterone and human chorionic gonadotropin are commonly used, and they can be combined with traditional Chinese herbal medicine and patent medicine. Traditional Chinese medicine has a long history in preserving pregnancy, and it treats patients based on their specific symptoms, tonifying the kidneys and preserving the pregnancy, with excellent efficacy. Progesterone, also known as progesterone, is now synthetically produced. The chemical structure of progesterone is the same as that of natural progesterone. The ovarian corpus luteum secretes progesterone, which is a hormone essential for maintaining pregnancy, especially in the early stages. Progesterone is effective in cases where the ovarian corpus luteum function is poor or progesterone secretion is insufficient, and it can be considered a holy medicine for preserving the pregnancy. However, it should be used within the first three months of pregnancy, as after three months, the placenta can take over the secretion of sufficient progesterone from the ovarian corpus luteum.