Is the fetal heart rate of 155 a boy or a girl?

During the entire process of pregnancy, when pregnant women have free time, they will think about many things in their hearts. For example, many pregnant women want to know whether the baby in their belly is a boy or a girl. But everyone knows that although there are scientific methods in medicine to know the gender of the fetus, the country now prohibits the detection of fetal gender. So in fact, it doesn’t matter whether you have a boy or a girl. Don’t pay too much attention to the baby’s gender. It is especially important to emphasize that it is unreliable to judge the gender of the fetus based on the speed of the fetal heart rate.

Is the fetal heart rate of 155 a boy or a girl?

You can't tell by looking at the fetal heart rate. At present, the practical and relatively reliable methods that obstetricians and gynecologists can use to determine the sex of the fetus are:

1. Ultrasound scan: Ultrasound is a type of sound wave. Reports so far have shown that it has no adverse effects on the fetus, so it is very commonly used in the obstetrics and gynecology community. Experts at the Gynecological Hospital pointed out that when using ultrasound to diagnose the sex of the fetus, the accuracy for male babies can reach over 95%, while the reliability for female babies is only about 85%.

2. Amniocentesis: Amniocentesis is mainly used to diagnose whether the fetus has chromosomal or neural tube defects, and is usually performed between 16 and 20 weeks of pregnancy. Since the chromosomes of the fetus can be known, the sex of the fetus can also be known. The accuracy is 99%, but there is a 1% chance of miscarriage. Therefore, the medical community does not approve of performing amniocentesis solely for the purpose of determining the sex of the fetus.

3. Chorionic villus sampling: also known as "chorionic villus sampling", is usually performed at 8 to 10 weeks of pregnancy. The main purpose is the same as amniocentesis, which is to diagnose whether the chromosomes of the fetus are normal, but some people also use it to diagnose the gender of the fetus. The accuracy rate can reach 98%.

Although chorionic villus sampling can determine the sex of the fetus around 10 weeks of pregnancy, it may cause miscarriage (3% to 5%) and may also harm the fetus, causing mutilation of its hands and feet. Therefore, it is best not to undergo this test simply to find out the sex of the fetus.

4. Uterine flushing with saline: This is a more practical method of its kind in recent years and is usually performed at 9 weeks of pregnancy. So far, it has been proven to be quite safe, with a reliability of 98%. However, this test can only determine the gender of the baby, but cannot tell whether the chromosomes of the fetus are correct. In addition, you should not have sexual intercourse within one week before the test to reduce errors.

5. Blood test: Genetic engineering technology can be used to take the mother's blood to determine the sex of the fetus. Although there is no danger to the fetus and some testing units claim that the reliability is 95%, the clinical data and evidence obtained by the author show that the error rate is quite high. Therefore, it is not a reliable and practical method.