Menstrual Cycle (2)

Miscarriage

A low level of HCG/progesterone than normal at early of pregnancy

Premenstrual syndrome

Refers to all the symptoms experienced by a woman a few days before the onset of menstruation

Menopause

It is a period of time when ovulation and menstruation stop naturally in women starting at the age of 45-55 years

Menstrual cycle (2)

In this cycle, the endometrium will become soft, thick and rich with blood vessels

Menstrual cycle (3)

The endometrium will become soft, thick and rich with blood vessels to prepare the endometrium for embryo implantation

Menstrual cycle (4)

If fertilisation does not take place, the secondary oocyte will die and the endometrium wall will shed and this will lead to bleeding known as menstruation

The role of follicle-stimulating hormone (FSH) in the menstrual cycle (2)

Stimulates the release of oestrogen

Function of luteinizing hormone (LH) in a menstrual cycle (1)

Stimulates ovulation

Function of luteinizing hormone (LH) in a menstrual cycle (2)

Causes the formation of the corpus luteum

Function of luteinizing hormone (LH) in a menstrual cycle (3)

Stimulates the release of progesterone

Biology

Question

Menstrual Cycle (2)

Menstrual Cycle (2)