What should I do if at 35 weeks of pregnancy, the fetus is 3 weeks smaller than expected?

Feb 28, 2023 Source: Cainiu Health

Dr. Zhao Xiaodong

Introduction

Pregnancy refers to gestation. Under normal circumstances, at 35 weeks of gestation, a fetus measuring three weeks smaller than expected may be related to factors such as ultrasound measurement error, malnutrition, anemia, hypertension, or hyperthyroidism. Pregnant women can receive symptomatic treatment based on the specific underlying cause. If there are still concerns regarding these conditions, it is recommended to consult a doctor for professional advice.

1. Ultrasound Measurement Error

The accuracy of ultrasound measurements can be influenced by various factors, including fetal position, fetal movement, and maternal body type. Sometimes, when the fetal position is suboptimal or certain anatomical structures are difficult to visualize clearly, ultrasound results may have limitations and uncertainties. It is recommended that pregnant women visit a reputable hospital for a follow-up examination.

2. Malnutrition

Malnutrition during pregnancy may lead to a smaller-than-expected fetus. Pregnant women should adjust their diet to increase intake of high-quality proteins, such as lean meat, eggs, fish, chicken, and dairy products, to support fetal bone development. They should also consume more fresh vegetables and fruits—such as spinach, celery, apples, and strawberries—to supplement essential vitamins.

3. Anemia

Anemia may result from reduced red blood cell production, increased red blood cell destruction, hemolysis, or other causes. Common symptoms include dizziness, tinnitus, insomnia, and pale complexion. In severe cases, it can impair fetal development and lead to intrauterine growth restriction. Under medical supervision, treatment may include medications such as ferrous fumarate granules, polysaccharide-iron complex capsules, or iron dextran.

4. Hypertension

When a pregnant woman has hypertension, vasoconstriction reduces blood flow to the placenta, thereby affecting oxygen and nutrient supply to the fetus. Under a doctor's guidance, antihypertensive medications such as labetalol hydrochloride tablets or nifedipine tablets may be used.

5. Hyperthyroidism

Hyperthyroidism may be associated with chronic goiter, genetic factors, or immune dysfunction. Symptoms include weight loss, heat intolerance, excessive sweating, palpitations, tachycardia, and insomnia. Severe cases can lead to fetal developmental abnormalities. Treatment, as prescribed by a physician, may include medications such as propylthiouracil tablets or methimazole tablets. Additionally, adequate sleep should be maintained.

If there are still concerns regarding the above conditions, it is recommended to consult a doctor for professional advice.

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In general, a fetal heart rate of 170 beats per minute at 35 weeks of pregnancy indicates fetal tachycardia, also known as an elevated fetal heart rate. This may be caused by factors such as fetal movement, maternal emotional fluctuations, fetal hypoxia, hyperthyroidism, or gestational hypertension. It is recommended to seek medical attention promptly, identify the underlying cause, and receive appropriate treatment under the guidance of a qualified healthcare provider.

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What could cause a mild pain in the lower left abdomen at 35 weeks of pregnancy?

Dull pain in the lower left abdomen at 35 weeks of pregnancy may be a normal physiological phenomenon or could indicate a pathological condition, possibly related to endometritis, spastic intestinal obstruction, etc. It is recommended to promptly identify the underlying cause and choose appropriate treatment under a doctor's guidance. Additionally, such pain might be caused by ureteral stones, uterine fibroids, or endometriosis. Pregnant women should avoid excessive fatigue.