Presentation
Early pregnancy. Checking viability and dates.
Patient Data
Age: 32 years
Gender: Female
From the case:
Dichorionic diamniotic twin pregnancy
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There are two intrauterine gestational sacs, forming a thick intertwin "membrane".
There is a single fetus in each gestational sac, each with a heart beat present.
Twin A CRL measures 12.6mm and Twin B CRL 12.4mm - both concordant with a gestational age of 7w5d.
Case Discussion
Dichorionic diamniotic pregnancy - normal ultrasound demonstrating a typical appearance of a thick intertwin membrane. CRL of Twin A and Twin B are concordant, with a gestational age of 7 weeks 5 days.