The following statement describe the ovarian cycle a

3. The following statement describe the ovarian cycle
a. The luteal phase is the most constant part of the ovarian cycle,
b. Ovulation results fromhigh progesterone levels that cause a sudden surge in
Luteinising hormone
c. In the absence of fertilization the corpus luteum degenerates and becomes a
yellow body
d. Corpus luteum produces follicle stimulating hormone ,oestrogen, relaxin, and
inhibin
4. The decidua that lies between the developing embryo and the stratum basalis of the uterus
at the implantation site is referred to as?
5. In a battledore insertion of the cord? 6. In multiple pregnancy, splitting of zygote at 8–12 days produces?