‘It takes a village’ – fertility treatment using donor gametes, embryos and/or surrogacy TOG 2022 Flashcards
What are the reasons needed for donated sperm?
Male factors:
- Azoospermia
- Recurrent failure of oocyte fertilisation with IVF/ICSI or unsuccessful cycles
Same-female sex relations 6.4%
Single female women 3.2%
How is Dx of azoospermia made?
No sperm on 2 semen samples
Usually sperm retinal before confirming absolute azoospermia
What proportion of azoospermia is from obstructive causes? Causes of obstructive azoospermia?
40%
Congenital - CF, congenital bilateral absence of vans deferent
Acquired: Infection, surgery. inguinal hernia repair with mush
How can obstructive azoospermia be managed?
Surgical sperm retrieval
HFEA denotation priorities? 5 statement. Can donor conceived people find information regarding donor?
- People should be given nonidentifying information about the donors.
- Donor-conceived people in the UK can find nonidentifying information about the donor from the age of 16 and identifying information from the age of 18.
- Those who donate their gametes can find nonidentifying information about the children born due to donation.
- There is specific direction from the HFEA regarding the compensation for both UK and overseas donors.
- All egg and sperm donors must be medically screened and assessed according to the screening requirements set out in the code that fulfil the licence conditions.
What proportion of IVF/ICSI used donor sperm? Any different in pregnancy outcomes?
5%
Lower risk low birth rate
Indication for donor oocytes
Ovarian insufficiency (most common age related)
Absent ovaries
Same-sex male couples
What proportion of IVF includes women who are > 40 years?
21%
What is definition of POI?
Cessation of menus for 1 year < 40yrs
FSH >25 (other sources say 40), 4 weeks apart
How common is POI? Causes?
1%
Idiopathic 90%
Genetic (Turners, Fragile X)
Autoimmune (TFT, addisions)
Infection (mumps)
Iatrogenic (Surgery, radiotherapy, chemotherapy)
In the UK, what age must egg and sperm donors be?
Egg: 18-35
Sperm: 18-45
What infections are gamete donors screen for?
Syphilis
Gonorrhoea
Chlamydia
HIV
HTLV 1 and 2
Hepatitis B & C
CMV IgM, semen CMV IgG should only be used for +ve recipients.
Consider herpes, HPV, Zika and ebola
What information can a intended parent access regarding the donor?
Physical description (height, weight, eye and hair colour)
The year and country of birth
Ethnicity
How many and the gender of any children at the time of donation
Marital status
Medical history
A personal description and goodwill message to any potential children (if they chose to write one at the time of their donation)
What is the UKs ‘rule of 10’?
preclude any donor from being the genetic parent ro children inmate than 10 separate family units.
What information can the donor access after donation?
Whether their donation was successful
The number of children born from their donation
The gender and year of birth of any children born