Gynaecology Flashcards
What is androgen insenstivity syndrome?
When a phenotypical female has XY (male chromosomes- genetically male)
There is an insenstivity to testosterone which results in no inhibition of femal gonadal development.
In male gonadal development sertoli cells stimulate gonadal ridge cells to form what?
Leydig cells - these secrete testosterone
In male gonadal development what do Sertolli cells secrete?
Anti-mullerian hormone
This degenerates the paramesonephric/muellerian duct
What does the paramesonephric/mullerian duct give rise to?
Uterine tubes
Uterus
Superior vagina
In embryonic development, when does gonadal differentiation begin?
Week 7
Where does the urogenital system originate from?
Intermediate mesoderm
What is the chromosmal abnormality in Turner’s Syndrome & what does it consist of?
45,XO
Phenotypically female
Webbed neck, short stature & streak gonads
What is the chromosmal abnormality in Klinefelter’s Syndrome & what does it consist of?
47, XXY
Phenotypically male
Atrophic testes, Azoospermia, wide set nipples, female distribution body hair & mild mental retardation.
What does the genotype XXY entail?
Phenotypically male
aggressive behaviour, mild mental retardation. Fertility intact
What are the recommended contraceptives for women taking liver enzyme inducers? (phenytoin,carbamazepine, barbiturates, primidone, topiramate, oxcarbazepine)
UKMEC 3: the COCP and POP
UKMEC 2: implant
UKMEC 1: Depo-Provera, IUD, IUS
What are the recommended contraceptives for women taking Lamotrigine?
UKMEC 3: the COCP
UKMEC 1: POP, implant, Depo-Provera, IUD, IUS
What are the UKMEC 4 contraindications to the COC?
Migraine with aura
Thromboembolism risk
Postpartum (<6 weeks)
What are the UKMEC 3 contraindications to the COC?
Diabetes mellitus diagnosed >20 yrs ago UKMEC 3/4 depending on severity.
>35yrs old & smoking less than 15 cigarettes/day
BMI > 35
Family history of thromboembolic disease
Controlled hypertension
Immobility e.g. wheel chair use
Carriers of known gene mutations associated with breast cancer
Current gallbladder disease
Which cancers does COC REDUCE the risk of?
Ovarian & endometrial (due to progesterone element) cancer
Which cancer does COC INCREASE the risk of?
Breast (oestrogen stimulation)