In 8-14 weeks the……..of embryo allows accurate estimation of age.
A. Gestational sac with defined white ring
B. Fetal heart reaction
C. crown ramp length
D. Fetal echo
Answer:C
In 8-14 weeks the……..of embryo allows accurate estimation of age.
A. Gestational sac with defined white ring B. Fetal heart reaction C. crown ramp length D. Fetal echo