A single cell formed through fertilization is called what

Zygote

Explanation:

A zygote is a (diploid) cell formed through fertilization between two gametes. Zygote cells are eukaryotic, and in the human body, they are the first cell stage of pregnancy.

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hi it is actually called zygote hope it helps.

answer: all : )

explanation:

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.