Answered: When is amniocentesis performed?

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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When is amniocentesis performed?

Expert Solution

Step 1: Introduction

Fertilization is key process in sexual reproduction. When male and female gamete unites successfully and form a diploid zygote – the process is called as fertilization.

Once fertilization takes place, embryo development begins after 4 days in humans.

Embryonic stage lasts till 8 weeks from time of implantation in uterus. In these 8 weeks- various structures are formed at particular time.

After 8 weeks – embryo is much developed and its called as foetus.

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