What to check for in four months of pregnancy: Comprehensive guide and precautions
The fourth month of pregnancy (about 16 weeks of pregnancy) is an important stage in the second trimester. At this time, fetal development enters a stable period, but pregnant mothers still need to undergo prenatal check-ups on time to ensure the health of mother and baby. The following is the content related to the four-month pregnancy check-up that has been hotly discussed on the Internet in the past 10 days. It is organized into structured data based on medical advice to help expectant mothers clearly understand the check-up items and their significance.
1. Core examination items during the fourth month of pregnancy
| Check items | Check content | Inspection purpose | Things to note |
|---|---|---|---|
| Down syndrome screening | Draw blood to detect AFP, β-hCG and other indicators | Assessing the risk of fetal Down syndrome | It is necessary to make a comprehensive judgment based on factors such as age, weight, etc. |
| B-ultrasound examination | Fetal morphology, placental position, amniotic fluid volume | Monitor development and detect malformations | It is recommended to choose a second-level or above hospital |
| Blood routine | Hemoglobin, white blood cell count, etc. | Screen for anemia or infection | Fasting test is more accurate |
| Urine routine | Urine protein, urine sugar and other indicators | Check for gestational hypertension or diabetes | Collect mid-section urine |
| Fetal heart rate monitoring | Doppler listening to fetal heart sounds | Assess whether the fetal heartbeat is normal | Normal range 120-160 times/minute |
2. Answers to recent hot questions
1.Is non-invasive DNA testing necessary?Recent discussions have shown that if the Tang screening result is high-risk or the age is ≥35 years old, doctors often recommend supplementing with non-invasive DNA, which has an accuracy of 99% but is relatively expensive (approximately 2,000 yuan).
2.Can the gender be determined by B-ultrasound at four months?The law prohibits non-medical gender identification, but technically it can be determined by the shape of the reproductive organs, with an error rate of about 10%.
3.How to supplement calcium deficiency during pregnancy?Hot search data shows that from four months onwards, 1000mg of calcium is needed daily, which can be supplemented through milk (500ml/day), calcium tablets (as directed by the doctor) and sun exposure.
3. Sharing experiences of pregnant mothers (high-frequency keywords across the entire network)
| focus | Suggestions | Mention frequency |
|---|---|---|
| weight control | Monthly weight gain ≤1.5kg, avoid high-sugar diet | 87% of pregnant mothers discussed |
| Prenatal education methods | Music prenatal education ≤30 minutes a day | 62% of pregnant mothers try |
| sleep quality | Lying on the left side + pregnancy pillow can improve | 73% of pregnant mothers recommend it |
4. Key reminders
1. May appear from four months onwardsFirst awakening of fetal movements(Swimming like a small fish), but individual differences are large, so it is normal not to feel it.
2. If detectedlow lying placenta(Hot searches increased by 37%), you need to avoid strenuous exercise and follow doctor’s advice for review.
3. There has been a high incidence of influenza in many places recently. Pregnant mothers shouldAvoid going to crowded places, vaccinate with inactivated vaccine if necessary.
Through systematic prenatal check-up and scientific management, the four-month pregnancy period can become a relatively comfortable period. It is recommended that expectant mothers keep their examination reports and establish exclusive health files to provide a basis for comparison for subsequent prenatal examinations.
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