Changes in Uterine Fibroid Position During Pregnancy: What to Know - Obstetrics and Gynecology

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Changes in the position of uterine fibroids during pregnancy?


Hello Doctor: I have multiple uterine fibroids (which I monitor annually), with three larger ones measuring 5, 6, and 7 centimeters.
I am currently 16 weeks pregnant.
Initially, at 12 weeks, I could feel the largest fibroid located below my navel, but at 16 weeks, it is no longer palpable there.
Instead, I can feel a hard mass next to my navel.
I would like to ask: 1.
Can fibroids move that high up? 2.
Since my fibroids seem to be growing during my pregnancy, are there any dietary considerations I should be aware of? Due to the pandemic, I am unable to return to my original hospital for a check-up, so I am asking online.
Thank you, Doctor.

Ms. Chen, 30~39 year old female. Ask Date: 2021/06/09

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, it is still best to rely on ultrasound, as it is not significantly related to diet.
Pregnancy can cause an increase.
Wishing you good health.

Reply Date: 2021/06/09

More Info


Uterine fibroids, also known as leiomyomas, are benign tumors that can develop in the uterus. They are quite common, especially in women of reproductive age, and their behavior can change during pregnancy due to hormonal influences and the physical changes in the uterus.
1. Can fibroids move during pregnancy?
Yes, fibroids can change position during pregnancy. As the uterus expands to accommodate the growing fetus, the fibroids may also shift. This is particularly true for larger fibroids, which can be pushed upward or to the sides as the uterus grows. In your case, it is possible that the fibroid you initially felt below the navel has moved higher as your uterus has expanded. This is a common occurrence, and many women report similar experiences during their pregnancies.

2. Do fibroids grow during pregnancy?
Fibroids can indeed grow during pregnancy due to increased levels of estrogen and progesterone, hormones that stimulate their growth. It is essential to monitor their size, especially if they are large (like the ones you mentioned: 5, 6, and 7 cm). Regular check-ups with your healthcare provider are crucial to assess any changes in size or symptoms.

3. Dietary considerations during pregnancy with fibroids:
While there is no specific diet that can prevent fibroid growth, maintaining a healthy, balanced diet is essential for overall well-being during pregnancy. Here are some dietary tips that may help:
- Increase fruits and vegetables: These foods are rich in vitamins, minerals, and antioxidants, which are beneficial for both you and your developing baby.

- Stay hydrated: Drinking plenty of water is crucial for maintaining amniotic fluid levels and overall health.

- Limit processed foods: Reducing intake of processed foods high in sugar and unhealthy fats can help manage weight and overall health.

- Include lean proteins: Foods like chicken, fish, beans, and legumes can provide the necessary protein for fetal development.

- Consider anti-inflammatory foods: Foods rich in omega-3 fatty acids (like salmon, walnuts, and flaxseeds) and antioxidants (like berries and leafy greens) may help reduce inflammation in the body.

4. Monitoring and follow-up:
Since you mentioned that you are unable to visit your original hospital due to the pandemic, it is crucial to stay in touch with your healthcare provider through telemedicine or online consultations. They can guide you on how to monitor your fibroids and any symptoms you should watch for, such as increased pain, heavy bleeding, or any unusual changes.

5. Other considerations:
If you experience any significant discomfort, bleeding, or changes in your symptoms, it is essential to seek medical attention promptly. While most pregnancies with fibroids are uncomplicated, some women may experience complications such as pain or preterm labor, depending on the size and location of the fibroids.

In conclusion, while fibroids can change position and size during pregnancy, most women have successful pregnancies with proper monitoring and care. Maintaining a healthy lifestyle and staying in close contact with your healthcare provider will help ensure the best outcomes for you and your baby.

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