Introduction to threatened abortion

Every woman longs to be a happy mother. Pregnancy is a particularly happy thing for women. Pregnancy is not only a symbol of love, but also a process of forming a small life. However, there may be some accidents during pregnancy, such as threatened miscarriage. So, what is threatened miscarriage? Let's take a look at the knowledge of threatened miscarriage.

1. Definition of threatened abortion

Threatened abortion refers to a small amount of vaginal bleeding before 28 weeks of pregnancy, followed by paroxysmal lower abdominal pain or back pain. Pelvic examination shows that the cervix is ​​not dilated, the fetal membranes are intact, no pregnancy products have been expelled, and the size of the uterus is consistent with the gestational age. If the symptoms of threatened abortion worsen, it may develop into inevitable abortion.

2. Causes of threatened abortion

Nowadays, there are many reasons for miscarriage, mainly including chromosomal abnormalities and maternal factors. Chromosome abnormalities include quantitative abnormalities and structural abnormalities, which are the main causes of miscarriage. Maternal factors are more numerous, including systemic diseases, endocrine abnormalities, immune dysfunction, severe malnutrition, bad habits, adverse factors in the environment, uterine defects, trauma, emotional trauma, etc.

3. Symptoms of threatened abortion

To understand what threatened abortion is, you can look at its symptoms. Most patients with threatened abortion will have a small amount of vaginal bleeding after pregnancy. Depending on the amount of bleeding and the time it accumulates in the vagina, the color can be bright red, pink, and dark brown; sometimes it is accompanied by mild lower abdominal pain, a feeling of falling when the fetus moves, and backache and abdominal distension. In folk culture, threatened abortion is also called "seeing blood."