Ovulation occurs under the influence of ...........

The hormone present in the greatest concentration during ovulation is

Categorize the following animals into those exhibiting menstrual cycle and those exhibiting oestrous cycle.
$I -$ Monkeys,$II -$ Cows,$III -$ Sheep,$IV -$ Apes,$V -$ Humans,$VI -$ Rats,$VII -$ Deer,$VIII -$ Dogs,$IX -$ Tigers
$\text{Menstrual cycle} \quad \quad \quad \text{Oestrous cycle}$

The menstrual cycle is typically completed in:

Provide definitions/explanations for the following terms:
$(1)$ Embryo
$(2)$ Proliferation phase

At which phase, both $LH$ and $FSH$ attain a peak level?