Question

Deficiency of estrogen hormone in female may cause
A, Decreased physical development
B.Irregular menstrual cycles
C.Expression of male sexual characters
D. Slow rate of metabolic activities
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Answer 1

Answer:

B. irregular menstrual cycle.

Explanation:

the harmon estrogen helps in developing the endometrium and endometrium

and also the development of follicle and secretes the harmon estrogen which is one of the process in menstrual cycle

so the answer is option B.