Pregnancy: Menstrual Changes and Breast Symptoms Explained - Obstetrics and Gynecology

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Can I get pregnant?


Regarding the follow-up question about case 145688, I apologize for the confusion.
Doctor, are you saying that this will affect the current menstrual cycle by causing a decrease in flow, or are there other issues? The breast tenderness and nipple pain I've been experiencing these past few days—are these symptoms associated with the onset of menstruation or are they related to the post-ovulation phase?

Fang, 20~29 year old female. Ask Date: 2019/04/26

Dr. Huang Jianzhong reply Obstetrics and Gynecology


Will this affect the menstrual flow, causing it to decrease? Or could there be other issues? Answer: Both are possible.
Is the breast tenderness and nipple pain experienced in the past few days a symptom of an upcoming period or a symptom after ovulation? Answer: It is a symptom after ovulation.

Reply Date: 2019/04/26

More Info


Understanding the changes that occur during pregnancy, particularly in relation to menstrual cycles and breast symptoms, is crucial for expectant mothers. When a woman becomes pregnant, her body undergoes significant hormonal changes that can affect various physiological processes, including those related to the menstrual cycle and breast health.

Firstly, it is important to note that pregnancy typically results in the cessation of menstrual periods. This is due to the hormonal changes that occur, particularly the increase in human chorionic gonadotropin (hCG) and progesterone. These hormones help maintain the pregnancy and prevent the menstrual cycle from continuing. Therefore, if you are experiencing changes in your menstrual cycle, such as a lighter flow or missed periods, it is likely a result of pregnancy rather than other underlying issues.

Regarding breast symptoms, many women experience breast tenderness, swelling, and sensitivity during pregnancy. This is often attributed to the increased levels of estrogen and progesterone, which prepare the breasts for lactation. The symptoms you described, such as breast swelling and nipple pain, can also be linked to the hormonal fluctuations associated with pregnancy. These symptoms can be similar to those experienced before menstruation, known as premenstrual syndrome (PMS), but they may be more pronounced during pregnancy due to the heightened hormonal environment.

In your specific case, the breast tenderness and the presence of a small lump near the armpit could be related to hormonal changes or possibly a benign condition such as a fibrocystic breast change. Fibrocystic changes are common and can cause lumps and tenderness, particularly in response to hormonal fluctuations. It is essential to monitor these symptoms and consult with a healthcare provider if they persist or worsen.

If you are concerned about the pain or the lump, it is advisable to seek a consultation with a breast specialist or obstetrician. They can perform a thorough examination and, if necessary, imaging studies such as an ultrasound to rule out any serious conditions. In most cases, breast pain and tenderness during pregnancy do not require treatment unless they are severe or associated with other concerning symptoms.

In summary, the changes you are experiencing in your menstrual cycle and breast symptoms are likely related to the hormonal changes associated with pregnancy. While breast tenderness and swelling are common and usually not a cause for concern, it is always best to consult with a healthcare provider for personalized advice and to ensure that everything is progressing normally in your pregnancy. Regular prenatal care is essential for monitoring both your health and the health of your developing baby.

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