O&G Cases · Antenatal care — multiple pregnancy
Twin pregnancy at the booking scan — counselling and planning station
Counselling and planning station: a new diagnosis of monochorionic diamniotic twin pregnancy. Tests the candidate's ability to explain chorionicity and its implications, sequence the surveillance, counsel on timing and mode of birth, and address the maternal risks. Includes assessor key and marking domains.
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Target exams
Station brief
Format. Counselling and planning station, approximately 12 minutes. You are the obstetric registrar. The woman and her partner are present. The assessor will run the clock and may feed questions from the couple. [1]
Candidate instruction. Explain the chorionicity and its implications, sequence the surveillance, counsel on the timing and mode of birth, address the maternal risks and the prevention strategies, and answer the couple's questions in plain language. [1]
References5ShowHide
- [1]Khalil A, Rodgers M, Baschat A, et al. ISUOG Practice Guidelines: role of ultrasound in twin pregnancy Ultrasound Obstet Gynecol, 2016.PMID 26577371
- [2]Barrett JF, Hannah ME, Hutton EK, et al. A randomized trial of planned cesarean or vaginal delivery for twin pregnancy N Engl J Med, 2013.PMID 24088091
- [3]Dodd JM, Grivell RM, OBrien CM, Dowswell T, et al. Prenatal administration of progestogens for preventing spontaneous preterm birth in women with a multiple pregnancy Cochrane Database Syst Rev, 2019.PMID 31745984
- [4]Miller RS, Miller JL, Monson MA, et al. Society for Maternal-Fetal Medicine Consult Series #72: Twin-twin transfusion syndrome and twin anemia-polycythemia sequence Am J Obstet Gynecol, 2024.PMID 39029545
- [5]Albuquerque Brás S, Ferreira L First trimester scan in twins Best Pract Res Clin Obstet Gynaecol, 2025.PMID 41175677