Female Menstrual cycle

Question 1

What marks the beginning and end of the follicular phase?

Answer 1

Menses

Ovulation

Question 2

What phase is between days 14-28 of the menstrual cycle

Answer 2

Luteal phase

Question 3

What hormone causes ovulation, and how long after its surge is the egg released?

Answer 3

LH and 35-44 hours post surge

Question 4

How big is a primordial follicle?

Answer 4

Smaller than 60um in diameter

Question 5

How does a primordial follicle develop into a primary oocyte?

Answer 5

When the layers of granulosa cells increase

Question 6

How large is one sinlgle dominant oocyte (referred to as a mature graadfian follicle)

Answer 6

8-10mm

Question 7

What hormones do granulosa cells produce?

Answer 7

Estradial and inhibin and estrogen

Question 8

What hormone causes the antrum to grow?

Answer 8

FSH

Question 9

Which two cells secrete progesterone?

Answer 9

Lutein cells and thecal cells

Question 10

What do granulosa cells mature to?

Answer 10

Lutein cells

Question 11

What causes the growth of the ovum follicle?

Answer 11

FSH

Question 12

What stimulates the menstrual phase?

Answer 12

progesterone

Question 13

What occurs within the secretory phase?

Answer 13

• Stromal oedema
• increased endometrial glycogen and lipid deposits
• secretion of IL-8 and monocyte chemotactic protein-1

Question 14

Between days 12-15 is there a negetive or positive feedback loop to produce GnRH?

Answer 14

Positive

Question 15

What is oligomenorrhoea?

Answer 15

Disrubted irregular cycles

Question 16

What is Mennorhagia?

Answer 16

Blood loss of more than 80 ml of blood