Lecture 3.1 P2

Question 1

Assistive reproducitve technology

Answer 1

Infertility drugs
Intrauterine insemination
IVF - in vitro fertilization

Question 2

Fertility drugs are the primary treatment for

Answer 2

Ovulation failure

Question 3

What does clomid do

Answer 3

Stimulates the pituitary gland to secrete FSH

Can be followed by hCG at the time of ovulation to help maintain the pregnancy

Question 4

Pergonal is what

Answer 4

Natural horomone derived from the urine of postmenopausal women
Comprimised of FSH and LH

Used if clomid doesnt work

Question 5

Complications of fertility drus

Answer 5

Ovarian hyperstimulation syndrome

Can lead to multiple huge cysts

Question 6

Monitoring of follicular growth with

Answer 6

Serial US

Question 7

Recrutiment: at the beginning of the menstural cycle ___-____ follicles start to grow

Answer 7

3-11

Question 8

At 5-7 days one of the follciles will begin to show

Answer 8

Dominance and the rest will become acretic (regress)

Question 9

The dominant follicle will reach __ -___mm just before ovulation

Answer 9

17-27mm

Question 10

The antral (resting follicles) are _____ -_____ mm

Answer 10

5-10 mm

Question 11

Intrauterine insemination

Answer 11

If the cause of infertility is unexplained

Question 12

In vitro fertilization

Answer 12

Physical obstruction

The ovum doesnt successfully transfer to the site of fertilization
Zygote cant successfully travel to endomettial cavity

Question 13

4 steps to IVF

Answer 13

Step 1: controlled ovarian hyperstimulation
Step 2: Follicular aspiration
Step 3 : IVF
Step 4: Embryo transfer

Question 14

Step. 1: hyperstimulation of ovary by

Answer 14

Clomiphene citrate

Question 15

Step 2: follicular aspiration occurs by

Answer 15

US guided needle inserted into follicle + suction to remove follicular fluid
Several ovum removed

Question 16

STEP 3 IVF processes

Answer 16

Sperm injected into cell

Grown for 3-5 days

Question 17

Step 4 embryo transfer

Answer 17

Using a catheter, embryo is transferred directly to uterine lining
Can involve more than one embryo

Question 18

Embrro transfer is the most common

Answer 18

IVF procedure

Question 19

Other methods other than embryo transfer

Answer 19

Gamete intrafallopian transfer GIFT

Zygote intra fallopian transfer ZIFT

Question 20

What happens in ZIFT

Answer 20

The fertilized eggs are placed in the fallopian tubes within 24 hours of fertilization

Question 21

What happens with GIFT

Answer 21

The sperm and eggs are mixed together before inserted and with luck it becomes fertilized in the tubes (in vivo)

Question 22

Why are GIFT and ZIFT used

Answer 22

Closer to natural conception

Question 23

Multifetal reduction

Answer 23

For couples with 3 or more fetuses, involve saline injection into the gestational sac