What causes early miscarriage
Early miscarriage refers to the natural termination of pregnancy before 20 weeks, with an incidence rate of approximately 10%-20%. Understanding the causes of early miscarriage can help expectant mothers better prevent and cope with it. The following is a compilation of structured data on early abortion-related topics that have been hotly discussed across the Internet recently.
1. Common causes of early miscarriage
| Cause classification | specific factors | incidence |
|---|---|---|
| chromosomal abnormalities | Embryonic chromosomal aneuploidy | about 50% |
| maternal factors | Endocrine abnormalities, uterine malformations | 15%-20% |
| Infectious factors | TORCH infection, bacterial vaginosis | 5%-10% |
| immune factors | antiphospholipid antibody syndrome | 3%-5% |
| Others | Environmental toxins, trauma, etc. | 10%-15% |
2. Recent hot topics of discussion
1.Correlation between COVID-19 infection and miscarriage: Multiple studies have shown that COVID-19 infection during pregnancy may increase the risk of miscarriage, especially cases accompanied by high fever.
2.Folic acid metabolism gene testing: MTHFR gene mutations lead to folate metabolism disorders and become a new focus, which may affect embryonic development.
3.Thyroid function screening controversy: The academic discussion on whether the TSH screening threshold should be stricter has attracted widespread attention.
3. Suggestions on preventive measures
| prevention direction | Specific measures | effectiveness |
|---|---|---|
| Pregnancy preparation | 3 months of folic acid supplementation and vaccination | ★★★★ |
| Pregnancy monitoring | Regular prenatal check-ups and hormone level testing | ★★★★★ |
| lifestyle | Avoid tobacco and alcohol, limit caffeine | ★★★ |
| psychological adjustment | Reduce stress and avoid excessive anxiety | ★★★ |
4. Latest research data
According to a multi-center study published in December 2023:
| risk factors | OR value | 95%CI |
|---|---|---|
| Elderly (≥35 years old) | 1.78 | 1.32-2.41 |
| BMI≥30 | 1.45 | 1.18-1.79 |
| hypothyroidism | 2.12 | 1.67-2.69 |
| Vitamin D deficiency | 1.36 | 1.09-1.70 |
5. Expert advice
1. Recommended for all women planning pregnancyPre-pregnancy check-up, paying special attention to thyroid function and blood sugar levels.
2. When symptoms such as vaginal bleeding or abdominal pain occur, you shouldSeek medical attention promptly, 50% of early miscarriages can be avoided through intervention.
3. Avoid blindly protecting your baby,chromosomal abnormalitiesThe resulting miscarriage is a natural elimination mechanism.
4. It is recommended to wait after miscarriage3-6 monthsTry to conceive again to allow the endometrium to fully recover.
The causes of early miscarriage are complex and diverse, and expectant mothers do not need to be overly anxious. Through scientific pre-pregnancy preparation and standardized pregnancy management, risks can be significantly reduced. In case of miscarriage, it is recommended to conduct a systematic examination to clarify the cause and prepare for the next pregnancy.
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