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What is Calculate the Age of fetus having CRL 23 cm, foot length 7 cm. Talus is present and testes are present at superficial inguinal ring? and explain in detail?
Ans: C. 7 monthsGestational age can be determined fiom maturation of chorionic villi; foot length and ossification centres.Seventh month:Length 35 cm; crown-rump length 23 cm; foot length 8 cm; weight 900 to 1200 g.Nails are thick.Eyelids open and pupillary membrane disappears.Skin is dusky-red, thick and fibrous.Meconium is found in the entire large intestine.Testes are found at external inguinal ring.Gallbladder contains bile and caecum is seen in the right iliac fossa.Ossification centre is present in the talus.