Gynaecology & Obstetrics Which of the following investigations are essential before cervical cerclage is performed? A Estimate C-reactive protein levels B Perform a white cell count C Perform a transvaginal ultrasound scan to assess the cervical length and exclude funnelling D Perform an ultrasound scan for fetal abnormalities and screen for aneuploidy 💡 Explanation Which of the following investigations are essential before cervical cerclage is performed? ✓ Correct Answer: D. Perform an ultrasound scan for fetal abnormalities and screen for aneuploidy