Common "Crown-rump Length" queries answered by top doctors | iCliniq
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Crown-rump Length

A measure of the length of the fetus from the head top to the bottom of the torso is known as crown-rump length (CRL), which precisely calculates the gestational age during early pregnancy. It is measured after excluding the yolk sac and the extremities and determines the gestational age between the sixth and thirteenth weeks. A fetus with a CRL above seven should have cardiac activity, failing which is termed as a missed miscarriage.

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How to calculate the gestational age accurately?

Query: Hi doctor, My CRL is 5.18 cm. How old is my baby now? How can I get my gestational age accurately?  Read Full »

Dr. Chitrangada Jitendra

Dr. Chitrangada Jitendra

Answer: Hi, Welcome to icliniq.com. The CRL of 5.18 cm corresponds to 11 to 12 weeks of gestation. A difference of two to three days is possible depending on the position of the baby and the measurement of the caliper placement. Ideally, we recommend a first scan to know the exact dating and to calculate ...  Read Full »

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