Early pregnancy reactions refer to a series of physical and psychological reactions that occur after a woman becomes pregnant. These reactions are usually considered to be one of the early signs of pregnancy. While each woman\’s experience may vary, most women experience some early pregnancy symptoms in the early stages of pregnancy. This article will explore when early pregnancy symptoms begin. Thirty Questions and Thirty Answers on Pregnancy Health Care [Early Pregnancy + Second Pregnancy + Late Pregnancy] Common Symptoms of Early Pregnancy Reactions Symptoms of early pregnancy reactions vary from person to person, but the following are some common symptoms: Breast swelling, pain and sensitivity: Breast There may be changes in size and shape, and the breasts may become more sensitive and painful. Weakness and Fatigue: Women may experience fatigue and weakness due to changes in hormonal levels. Nausea and Vomiting: Morning sickness is one of the most common symptoms of early pregnancy, especially in the morning or on an empty stomach. Appetite changes: Some women may experience a preference or aversion to certain foods. Frequent urination: After pregnancy, women may urinate more frequently due to pressure from the uterus on the bladder. Mood swings: Hormonal changes can cause women to have mood swings, irritability, anxiety, or low mood. These symptoms usually appear early in pregnancy and gradually lessen or disappear later in pregnancy. The onset time of early pregnancy reactions varies from person to person, but most women begin to experience early pregnancy reactions between the 4th and 6th week after pregnancy. This is because during this time, hormone levels in a woman’s body begin to change significantly. Breast tenderness and sensitivity are often among the earliest symptoms of early pregnancy, usually starting within a few weeks of pregnancy. The size and shape of the breasts may change, and the nipples may become more sensitive. Nausea and vomiting usually start around the 6th week of pregnancy. This may be due to changes in hormone levels and reduced digestive function in the gastrointestinal tract. Although called \”morning sickness,\” it can occur at any time, even throughout the day. Other symptoms such as fatigue, changes in appetite, frequent urination, and mood swings usually begin between the 6th and 8th week of pregnancy. These symptoms may last for weeks or months early in pregnancy and then gradually lessen or disappear. It is worth noting that the onset and severity of early pregnancy symptoms vary from person to person. Some women may start experiencing symptoms in the first week of pregnancy, while others may take longer to experience noticeable early pregnancy effects. Conclusion Early pregnancy reactions are common physical and psychological reactions in women after pregnancy. Breast tenderness and sensitivity, nausea and vomiting, fatigue, changes in appetite, frequent urination and mood swings are common symptoms of early pregnancy. Most women begin to experience early pregnancy symptoms between the 4th and 6th week of pregnancy, but the onset and severity vary from person to person. If you suspect you are pregnant, talk to your doctor for more accurate diagnosis and advice.