MENSTRAL CYCLE

Question 1

When does the first day of the cycle begin

Answer 1

the first day of bleeding

Question 2

what happens on the first day of bleeding

Answer 2

pituitry gland releases FSH (follicle stimulating hormone), which targets the ovaries. follicles situated in ovaries stimulates FSh to start the maturation of the ovum (in preparation for ovulation (the release of the ovum into the fallopian tube)

Question 3

What are other hormones produced during this time?

Answer 3

Oestrogen - released by ovaries and causes changes in cervix

Question 4

what changes occur in cervix?

Answer 4

mucus increases and the uterine lining or endometrium thickens and prepares for implantation.

Question 5

what do these changes ensure?

Answer 5

that conditions are conducive within the reproductive system for fertilisation to occur.

Question 6

what happens when oestrogen reaches a high level?

Answer 6

signials the pituitry gland to release a sudden surge of the hormone LH

Question 7

what does the release of LH cause?

Answer 7

causes the release of the ovum from it follicle

Question 8

what is it called?

Answer 8

ovulation

Question 9

defintion of ovulation

Answer 9

the release of the ovum (approx day 14 of the menstrual cycle)

Question 10

what is the ovum collected by

Answer 10

by the fallopian tube to await fertilisation

Question 11

what does this cause

Answer 11

causes the endometrium to thicken (even more in preparation for the implantation of the ovum)

Question 12

defintion of ovum

Answer 12

also referred to as the egg contains DNA from the female parent and is released by ovaries.

Question 13

what does the ovum secrete

Answer 13

oestrogen and greter amounts of progestrone