The most accurate feeling for pregnant boys in 40 days, must be seen by novice mothers! Recently, more and more expectant mothers have begun to pay attention to the gender of their babies and hope to know whether it is a boy or a girl in the early stages of pregnancy. Although there is no one method that can guarantee 100% accuracy, some of the most accurate feelings after 40 days of pregnancy can assist you in guessing the baby's gender.

1: Fetal heart rate

At the 40th day of pregnancy, the fetal heart has already begun to develop and can be detected by B-ultrasound. According to traditional views, if the fetal heart rate exceeds 140 beats per minute, it is predicted that the baby is likely to be a girl, and if it is below 140 beats per minute, it may be a boy.

However, it should be noted that this method may not be accurate. The fetal heart rate is influenced by many factors, such as gestational age, the physical condition of the pregnant woman, etc. Therefore, determining gender solely based on heart rate is not the most reliable method.

Question 2: Pregnant women's feelings

Some pregnant women claim that they can predict whether they are giving birth to a boy or a girl based on their physical sensations. For example, it is said that mothers who are pregnant with boys will feel their skin become greasy and their hair thicker, while mothers who are pregnant with girls will feel their skin dry and their hair thinning.

However, it should be noted that this method has no scientific basis and the results may vary among different populations. Therefore, determining gender solely based on personal feelings is not reliable.

3: Genetic factors

The most reliable method is to predict the gender of a baby based on genetic factors. Both male and female reproductive cells have 23 pairs of chromosomes, one of which determines the gender of the baby. If the sperm carries the Y chromosome (male chromosome), then the baby is a boy; If the sperm carries the X chromosome (female chromosome), then the baby is a girl.

Therefore, if we understand the genetic types of ourselves and our spouse, we can infer the gender of the baby based on the probability of the Y and X chromosomes. For example, if a father has a Y chromosome and an X chromosome, he has a half chance of passing on the Y chromosome to the baby, thereby giving birth to a boy.

Although there are many methods to predict the gender of a baby, modern medicine usually conducts ultrasound examinations around 16 weeks of pregnancy to accurately determine the baby's gender. It should be noted that other methods are not reliable enough and can be used as auxiliary means, but they should not be fully trusted.

The most accurate feeling for pregnant boys in 40 days, must be seen by novice mothers! Scientific measurement and diagnosis are the most reliable methods, so if you want to know the gender of your baby, please consult your doctor and undergo a formal examination. Whether the baby is a boy or a girl, they are all your precious treasures, and the most important thing is health and happiness.