List and Describe the Factors Involved in Initiating Labor Contractions

question 13

Multiple Choice

List and describe the factors involved in initiating labor contractions.

• A)Decreasing estrogen levels causes cervical dilation and endometrial contractions.
• B)Relaxin causes cervical dilation,fetal weight distorts the myometrium,and the distortion of the cervix and the myometrium triggers release of oxytocin.
• C)Inhibin causes cervical dilation,fetal weight distorts the myometrium,and the distortion of the cervix and myometrium triggers the release of prolactin.
• D)Relaxin causes cervical dilation,fetal weight distorts the myometrium,and the distortion of the cervix and myometrium triggers the release of inhibin.
• E)Falling levels of estrogen and prosterone cause cervical dilation and the shedding of the functional layer which causes myometrial contractions.

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