The pregnancy line is a set of black lines formed when a woman becomes pregnant due to abnormal secretion of female hormones, which causes the accumulation of melanin below the dermis. The appearance of a pregnancy line is a normal reaction to pregnancy. However, some people may experience a situation where there is no pregnancy line. This situation makes expectant mothers very worried. So here we will explain what is going on when there is no pregnancy line in four months of pregnancy. The absence of a pregnancy line at four months of pregnancy is not a bad condition. The pregnancy line usually appears in the later stages of pregnancy, so there is no need to worry. The pregnancy line refers to a vertical line that appears in the middle of the belly or passes through the belly button of most women after pregnancy. The pregnancy line is mostly formed between the second and fourth months of pregnancy and is the product of hormonal changes during pregnancy. The length and depth of the pregnancy line are different for each woman. The pregnancy line is usually an important anatomical mark of the human body in medicine. Due to changes in hormone levels during pregnancy, the color of this area will become darker and thicker for some people, and they may even grow body hair. The area may even extend upward to the chest and this midline may appear. However, for some people, there is no change at all. These are all normal. Generally, people with more hair or more pigmentation have more obvious pregnancy lines. The appearance or absence of a pregnancy line has no necessary connection with the development of stretch marks. For most people, the pregnancy line will naturally fade or disappear within one year after delivery. Causes The reason for the formation of the pregnancy line is actually a pregnancy reaction. Due to the imbalance of estrogen and androgen secretion during pregnancy, the pigmentation becomes darker and heavier, causing pigment deposition in the lower layer of the skin. 90% of pregnant mothers will have a pregnancy line, and for most people, the pregnancy line will naturally fade or even disappear within one year after delivery. The human abdomen has this line, which is a normal physiological line. However, when not pregnant, most people have this line very light and difficult to distinguish. Some people also have a faint black line when they are not pregnant. After a woman becomes pregnant, the hormones in her body will change, which will cause an increase in melanin, resulting in pigmentation of the white line on the abdomen, which will gradually turn into a black line, which is the line of pregnancy. The appearance of a pregnancy line is a normal phenomenon, which is usually more obvious after the second trimester. After giving birth, most people's pregnancy lines will gradually fade or disappear. |
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