Solved UPSC CDS/OTA Question
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Q · Reproductive Systemmedium · 45s
Implantation of the blastocyst occurs in the:
TopicReproductive System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The blastocyst embeds into the uterine endometrium around 6–7 days post-fertilization, initiating placenta formation and embryo development.
Final Answer: Option C - Uterine endometrium