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What is the first step of pregnancy?

A. Differentiation of blastocyst
B. Contraction of a uterus
C. Development of placenta
D. Formation of a zygote

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CT0723

Answer:

D. Formation of a zygote

Explanation:

The formation of a zygote happens within the first 24 hours of a pregnancy.

The correct option is D.

What are the pregnancy process steps?

Pregnancy is divided into three trimesters: First trimester – conception to 12 weeks. Second trimester – 12 to 24 weeks. Third trimester – 24 to 40 weeks.

What happens in the first week of pregnancy?

Some women have no pregnancy symptoms at week 1, while others may experience symptoms such as fatigue, breast tenderness, and mild cramping. Typically, medical professionals measure pregnancy week 1 from the first day of a woman's last menstrual period.

Learn more about pregnancy here https://brainly.com/question/7360171

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