Q.Write the role of oestrogen in ovulation.

Step 1. Oestrogen is one of the two steroid hormones secreted by the ovary (the other being progesterone).

Step 2. It is responsible for maturation of the reproductive organs and development of secondary sexual characters at puberty, establishing the reproductive readiness ovulation depends on.

Step 3. Along with progesterone, oestrogen promotes breast development and initiates the cyclic changes of the menstrual cycle — the backdrop against which the pituitary gonadotropins FSH and LH act. …

Trace oestrogen's actions (follicle/organ maturation, cyclic changes) through to how they s …

• Stating that oestrogen alone 'causes' ovulation, when the act of ovulation is specifically attributed to LH, with oestrogen's …