Cervical varix and low-lying placenta
Female 37 years old with 16.5 pregnancy weeks, that has presented a little transvaginal bleeding and pelvic pain.
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Cervix with a functional length of 28 mm with a hypoechoic tubular structure inside the cervical canal, after applying Doppler color, venous type pattern is seen with venous wave spectral mode that increases with Valsalva maneuver.
The frequency of varicose veins in the cervix during pregnancy is rare, with approximately 15 cases being reported in the literature at the time of writing. The risk of bleeding in these cases isvery high. Risk factors include low-lying placenta and diethylstilbestrol exposure. In our case, the low insertion of placenta is the major risk factor, which is in keeping with the literature. This is caused by a low Insertion placenta, that increases the flow of cervical venous vessels.
- Kurihara Y, Tachibana D, Teramae M et al. Pregnancy complicated by cervical varix and low-lying placenta: A case report. Jpn Clin Med 2013; 4: 21–24.
- Kusanovic JP, Soto E, Espinoza J et al. Cervical varix as a cause of vaginal bleeding during pregnancy: Prenatal diagnosis by color Doppler ultrasonography. J Ultrasound Med 2006; 25: 545–549.