This is a case of a patient who presented with a history of amenorrhea and mild right lower abdominal pain. She was suspected to have an early 1st trimester viable pregnancy with a maternal right ovarian simple cyst.
Ultrasound Findings:
- The ultrasound scan showed an intrauterine gestational sac containing an embryo with a crown-rump length (CRL) of 6 mm and a fetal heart rate of 115 beats per minute, consistent with a gestational age of about 6 weeks.
- The gestational sac was well-defined and had a mean sac diameter (MSD) of 16 mm, which was within the normal range for the CRL.
- The yolk sac was visible within the gestational sac and measured 3 mm in diameter, which was also normal for the gestational age.
- The amnion was seen adjacent to the yolk sac, enclosing the embryo.
- No fetal anomalies were detected at this stage of the pregnancy.
- The maternal right ovary showed a simple cyst measuring 2.9 cm in diameter, with smooth walls and anechoic contents. No internal vascularity was seen on color Doppler ultrasound, indicating that the cyst was not likely to be malignant or endometriotic.
- The left ovary and the uterus were normal in size and appearance, with no evidence of any masses or abnormalities.
Prognosis and Management:
- The ultrasound findings confirmed the diagnosis of an early 1st trimester viable pregnancy with a right ovarian simple cyst.
- The prognosis for the pregnancy was good, as there were no signs of pregnancy failure or complications. The patient was advised to have a follow-up ultrasound scan in two weeks to confirm the viability and growth of the embryo, and subsequent scans as well to assess the fetal anatomy and nuchal translucency.
- The prognosis for the ovarian cyst was also favorable, as most simple ovarian cysts resolve spontaneously during pregnancy or shortly after delivery . The patient was reassured that the cyst was unlikely to cause any harm to her or her baby, and that it did not require any treatment at this point. She was advised to report any symptoms such as severe pain, fever, or bleeding that could indicate a rupture or infection of the cyst.
- The patient was counseled about the importance of prenatal care, nutrition, and lifestyle modifications to ensure a healthy pregnancy outcome.
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