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The last process that leads to pregnancy is called _________

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in Biology – Class 12 by (271k points)
The last process that leads to pregnancy is called _________

(a) fertilization

(b) cleavage

(c) lactation

(d) implantation

The question was posed to me during an interview.

This intriguing question comes from Human Reproduction topic in chapter Human Reproduction of Biology – Class 12

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Right choice is (d) implantation

Explanation: Fertilization is one of the first processes that may result in pregnancy. Cleavage is the division of zygote that give rise to blastomeres. Lactation occurs to post-pregnancy. Implantation is the attachment of the developing embryo to the uterine wall. This is the last step that leads to pregnancy.

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