How big is the fetus at 18 weeks of pregnancy?

The fetus is about 20 cm long and weighs 200 grams. The average biparietal diameter was 4.25±0.53cm, the average abdominal circumference was 12.41±l.89cm, and the femoral length was 2.71±0.46cm.

The pads on the fingertips and toes of the fetus have formed, and fingerprints have begun to appear. His little eyes moved into the right position, his ears moved up on his head, the downy hair began to cover his body, and his intestines began to gurgling.

At this time, the fetal skeleton can be clearly seen through computed tomography. If you are having a boy, your baby's genitals are clearly visible and the prostate is forming.

Precautions for late pregnancy

Late pregnancy refers to 28-40 weeks of pregnancy. What should you pay attention to in late pregnancy? Let’s take a look.

1. The third trimester of pregnancy will be close to the time of delivery, so prenatal check-ups must be carried out. From 28 to 36 weeks, check-ups are required at least every two weeks; after 36 weeks, check-ups are required every week.

2. Strengthen nutrition, ensure sleep, pay attention to hygiene, and exercise appropriately.

3. Control salt intake. It is not advisable to be overweight or work in a squatting position. It is not advisable to take baths and have sex to avoid premature birth and premature water rupture.

4. Learn self- and family monitoring, be able to listen to fetal heartbeat, count fetal movements, feel fetal position, measure uterine height, etc. If the fetal movement is less than 20 times in 12 hours, the fetal heart rate is less than 120 times, more than 160 times per minute, or the movement is irregular, you should seek medical attention immediately.

5. In the following five situations, you must go to the hospital for examination and treatment immediately.

(1) Vaginal redness, lower abdomen distension, frequent urination, 2-3 uterine contractions in 10 minutes (each contraction lasts for more than 30 seconds);

(2) Vaginal discharge or blood;

(3) Edema of the lower limbs or even the whole body, headache, dizziness, vomiting, and elevated blood pressure;

(4) Regular or irregular uterine contractions before 37 weeks;< /p>

(5) The expected date of delivery has exceeded 10 days.