The menstrual cycle

Question 1

Menstruation typically occurs at which stage of the menstrual cycle?

Answer 1

Days 0- 4

Question 2

Ovulation typically occurs at which stage of the menstrual cycle?

Answer 2

Day 14

Question 3

The proliferative phase typically occurs at which stage of the menstrual cycle?

Answer 3

Day 4 - 14

Question 4

The secretory phase typically occurs at which stage of the menstrual cycle?

Answer 4

Day 14 - 26

Question 5

What is the functional layer composed of?

Answer 5

The functional layer is composed of columnar epithelium interspersed with glands, supported by connective tissue and contains many blood capillaries.

Question 6

What are the 3 phases does the development of the endometrium go through?

Answer 6

MENSTRUAL PHASE
Endometrium sheds down to basal layer.
Due to the spiral arteries of the endometrium go into spasm.
Resulting in the cells of the endometrium to die.
Muscular contractions expel the dead tissue through the cervix.

PROLIFERATIVE PHASE
Endometrium thickens under the influence of oestrogen from Graafian follicle
Ovulation may occur at day 14
This is the phase that can vary in time if cycles are longer or shorter.

SECRETORY PHASE
Endometrium becomes more vascular under the influence of oestrogen and progesterone from the corpus luteum.
The lining becomes more vascular.
These conditions are optimal 7 days after ovulation and the time when a fertilised ovum is most likely to enter the uterus for embedding

Question 7

The endometrium is influenced by….

Answer 7

The endometrium is the inner lining of the uterus. Endometrium becomes more vascular under the influence of oestrogen and progesterone from the corpus luteum.

These conditions are optimal 7 days after ovulation and the time when a fertilised ovum is most likely to enter the uterus for embedding.

Question 8

What is the endometrium?

Answer 8

The endometrium is the inner lining of the uterus. Endometrium thickens under the influence of oestrogen from Graafian follicle