why does the inner lining of the uterus thickens each month?What will happen if this inner lining thickens only when fertilisation has occurred?
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the ininner lining of uterus thickens every month so that the zygote formed get embedded and implanted.
Explanation:
the ininner lining of uterus thickens every month so that the zygote formed get embedded and implanted.
Explanation:
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