Fertilsation and assisted reproductive technologies Flashcards
1
Q
Where does fertilisation normally take place?
A
In the ampulla of the fallopian tube
2
Q
Where do the sperm bind on the zona pellucida?
A
ZP3 sites
3
Q
What happens when the 1st sperm through fuses with the membrane of the ovum?
A
intracellular Ca is released in oocytewhich induces meisosis II and makes surrounding membrane impenetrable
4
Q
What is considered subfertility in men?
A
- low sperm count/motility testicular disease - abnormalities with Vas Deferens - smoking - obesity
5
Q
What could lead in subfertility in females?
A
- oligomenorrhoea
- uterine/ fallopain tube pathologies
- PCOS
- endometriosis
- previous PID/STIs
6
Q
What are the 5 types of assisted reproductive techniques?
A
- artificial insemination by donor
- in vitro fertilisation
- gamete intrafallopian transfer (GIFT)
- intracytoplasmic sperm injection (ICSI)
- zona drilling
