All of the following statements referring to the uterine cycle are true except a) fsh and lh directly promote development of the uterineendometrium b) estrogen is secreted by the developing follicle in the follicularphase of the cycle c) the corpus luteum is formed from the ruptured follicle afterovulation d) a decrease in the levels of ovarian hormones signals menstruatio

FSH and LH directly promote development of the uterine endometrium.

Explanation:

Female reproductive system consists of ovary, fallopian tube, uterus and cervix. The uterus is also known as the site of implantation in the human females.

The endometrium is shed every month during the menstruation cycle. The FSH and LH hormones regulate the menstrual cycles in female. They helps in the surge of the ovulation and development of follicles but are not involved in the endometrium thickness.

Thus, the correct answer is option (A).