State whether the following statement is true or false. If false, correct the statement.

Sex organs produce gametes which are diploid.

State whether the following statement is true or false. If false, correct the statement.

LH is secreted by the posterior pituitary.

State whether the following statement is true or false. If false, correct the statement.

Menstrual cycle ceases during pregnancy.

State whether the following statement is true or false. If false, correct the statement.

Surgical methods of contraception prevent gamete formation.

State whether the following statement is true or false. If false, correct the statement.

The increased level of oestrogen and progesterone is responsible for menstruation.