Female infertility Flashcards
3 issues
Ovulation disorder - PCOS (25%)
Tubal factors - damages cilia (20%)
Uterine factors - cancer (10%)
Endometriosis
Progressive condition characterised by the growth of the endometrium into areas outside the uterus e.g. in the ovaries
Endometriosis affects..
10-15% of women around the reproductive age (Parasar et al., 2017)
Percentage of women infertile due to endometriosis
30-50% (Bulletti et al, 2010)
Theory of endometriosis
Epigenetic changes
Dyson et al 2014 research
Mapped genome difference in DNA methylation between healthy and endometriotic
Higher levels of GATA2 and lower GATA6 methylation levels
Epigenetic changes facilitate..
Progesterone resistance and disease progression indicated this an integral component
Epigenetic changes cause what to reduce fertility
Tubal blockage preventing egg moving down fallopian tube
Due to such inflammation physical symptoms alongside fertility may be seen
Lower back pain and dyspareunia
If suspected endometriosis
History of female Menstrual history e.g. heavy periods Physical examination Diagnosed using laparoscopy HSG test may also be used for tubal blockages, radiologic procedure
Laparoscopy
Invasive tool
Ciliopathies
Problems with cilia motility within uterine tubes, impairs effective transport of the ova
Assessment for ciliopathies
History
Tubal function test
Disease that causes ciliopathies
Primary Ciliary Dyskinesia (PCD)
Primary Ciliary Dyskinesia (PCD)
Characterised by abnormal motile cilia due to changes in cilia ultrastructure
Prevalence of PCD
1 in 10,000
Research by Lewis et al 2016 for PCD
Mutation in Growth Arrest Specific 8 (GAS8) is a cause
Study in mice
Normal motile cilia
Coordinate movement
Mutations shown to correlate with clinical presentation of PCD
Diagnosis of PCD
Female history Physical examination (breathing problems) Tubal function test to assess quality of cilia Genetic testing as autosomal-recessive disorder (Lucas et al 2014)
Abnormal mucus in cervix ..
Inhibiting sperm penetration
Abnormal levels of mucus may be observed in physical examination clear diagnosis requires…
Postcoital test (aka Sims test) Determine cervical function to assess if sperm is able to penetrate and survive in mucus
Postcoital/ Sims test
Scheduled for 2 days after ovulation
Assessment of mucus is take 8-12Hrs after mucus removal
Poor result indicates that abnormal mucus present
Problems with postcoital/ sims test
Lack validity
No predictive value in determining fertility problems (NICE 2016) lead to further tests (Oei et al 1998)