The biology of controlling fertility

Question 1

infertility treatments and contraception are based on

Answer 1

the biology of fertility

Question 2

Males are constantly

Answer 2

fertile

Question 3

females fertility is cyclical and most fertile period is a

Answer 3

few days before 1-2 days after ovulation

Question 4

The time of ovulation can be estimated by the:

Answer 4

0.5 body temperature increase

thinning of cervical mucus

Question 5

female infertility drugs can be used

Answer 5

to stimulate ovulation

Question 6

ovulation or fertility drugs can be used

Answer 6

to stimulate ovulation

Question 7

some ovulatory drugs work by preventing the negative feedback effect of

Answer 7

of oestrogen on FSH

Question 8

some ovulation drugs mimic the action of

Answer 8

FSH and LH

Question 9

ovulatory drugs can cause super ovulation, which can result in

Answer 9

multiple births

Question 10

ovulatory drugs can be used to collect ova for

Answer 10

in vitro fertilisation (IVF)

Question 11

Artificial insemination is a treatment

Answer 11

in which semen is inserted into female reproductive tract without intercourse.

Question 12

male;

Artificial insemination is particularly

Answer 12

useful where the male has low sperm count

Question 13

Artificial insemination involves

Answer 13

collecting and combining several samples of semen over period of time

Question 14

If a male partner is infertile (sterile) sperm form

Answer 14

a donor may be used

Question 15

IVF involves the surgical removal

Answer 15

of eggs from ovaries after hormone stimulation,

Question 16

intracytoplasmic sperm injection (ICSI), can be used during IVF treatment , if

Answer 16

mature sperm are defective or very low in number

Question 17

ICSI involves the head of sperm

Answer 17

being drawn into a needle and injected directly into the egg to achieve fertilisation

Question 18

Pre-implantation genetic diagnosis (PGD)

Answer 18

is used in conjunction with IVF to identify single gene disorders and chromosome abnormalities

Question 19

methods of contraception act by preventing

Answer 19

fertilisation or implantation

Question 20

methods of contraception

Answer 20

physical & contraception

Question 21

physical methods of contraception

Answer 21

intrauterine devices (IUD)
condom
diaphragm
cervical cap
sterilisation

Question 22

chemical methods of contraception

Answer 22

hormonal methods

• combinations of synthetic hormones
• mimic negative feedback by preventing release of FSH/LH
• some prevent implantation( morning after school)
• some cause thickening of cervical mucus (progesterone)