For example, menstruation is delayed, and each person has different constitutions. The length of the menstrual cycle will also vary from person to person. Generally, it is 31 ~ 35 days, with an average of about 28 to 30 days. If it is not considered for more than 7 to 10 days, it is pregnant. Symptoms such as nausea and vomiting will occur in the early days, mainly because pregnancy causes hormonal changes. Generally, it is usually about 12 weeks of pregnancy, and the symptoms will gradually disappear. Breast changes may have tingling in the early stages of pregnancy. The breasts have a heavy feeling. The undergoing veins of the breasts are obvious. It is mainly increased to the prolactin. The breast, breast, and dark brown. Skin pigment precipitation is generally precipitated or even darkened in nipples or vulva. Usually, it will gradually fade after production, and it will also be related to personal constitution.
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