Early Pregnancy: Concerns About Chocolate Cysts and Ultrasound Findings - Obstetrics and Gynecology

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Early pregnancy


The last menstrual period started on March 24 and ended on March 30.
Intercourse occurred on April 8, and abnormal bleeding began on April 20, lasting for over a week.
An ultrasound and urine test on April 28 confirmed pregnancy, but chocolate cysts were found on both sides, and the gestational sac was not visible.
How many weeks pregnant does this indicate? The doctor advised a follow-up appointment next week for another ultrasound.
Is there a chance the baby won't be viable? I'm very anxious.

Naomi, 20~29 year old female. Ask Date: 2016/04/29

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, the typical gestational age is calculated from the first day of your last menstrual period.
You should be around 4 weeks pregnant now, and the gestational sac can usually be seen at 5 weeks.
Based on your current situation, everything seems to be fine.
It is recommended to continue monitoring with your obstetrician.
Wishing you good health.

Reply Date: 2016/04/29

More Info


In early pregnancy, many women experience a range of concerns, particularly when faced with complications such as abnormal bleeding and the presence of chocolate cysts (endometriomas). Based on your timeline, it appears that your last menstrual period started on March 24 and ended on March 30. If you had unprotected intercourse on April 8 and began experiencing abnormal bleeding on April 20, it is reasonable to estimate that you are approximately four weeks pregnant at this point. The gestational age is typically calculated from the first day of your last menstrual period, which means that you may be in the early stages of pregnancy.

The presence of chocolate cysts on both ovaries, which are benign cysts associated with endometriosis, can raise concerns during pregnancy. However, it is important to note that chocolate cysts usually do not pose a direct threat to the developing fetus. In many cases, these cysts may not significantly impact pregnancy outcomes. The body undergoes various hormonal changes during pregnancy, which can sometimes lead to a reduction in the size or symptoms associated with these cysts.

Regarding your ultrasound findings, it is common for the gestational sac (the early structure that will develop into the embryo) to be difficult to visualize until around five weeks of gestation. Since you are currently estimated to be about four weeks pregnant, it is not unusual that the ultrasound did not reveal the embryo yet. It is essential to follow your healthcare provider's recommendations and return for follow-up ultrasounds as advised. This will help monitor the development of the pregnancy and provide reassurance.

As for your concerns about the abnormal bleeding, light spotting can be relatively common in early pregnancy and does not always indicate a problem. However, it is crucial to monitor the situation closely. If the bleeding becomes heavier or is accompanied by severe cramping or other concerning symptoms, you should seek immediate medical attention.

In terms of dietary considerations during pregnancy, particularly with the presence of chocolate cysts, it is generally advisable to maintain a balanced diet rich in essential nutrients. If you are considering supplements such as plant-based DHA or protein powders containing soy, it is best to consult with your healthcare provider. They can provide personalized advice based on your specific health needs and any potential interactions with your condition.

In summary, while it is natural to feel anxious during early pregnancy, especially with the presence of chocolate cysts and abnormal bleeding, many women with similar conditions go on to have healthy pregnancies. Regular follow-ups with your healthcare provider, monitoring your symptoms, and maintaining a healthy lifestyle can contribute positively to your pregnancy journey. Always feel free to reach out to your healthcare team with any concerns or questions you may have as your pregnancy progresses.

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