women's health definition Flashcards
Name 3 investigations in pre-pregnancy visit; and say why
Varicella Ab, Rubella Ab, Pap smear.
Congenital infections and deferring of treatment, respectively.
Name 3 conditions that requires change of medication during pregnancy, why, and what are those changes
- T2DM. OHGs are teratogenic, change to insulin.
- epilepsy. most antiepileptics are teratogenic, withhold or use optimal ones (e.g. lamotrigine)
- anticoagulation. warfarin produces foetal abnormalities, switch to clexane.
Name 2 conditions with very bad prognosis in pregnancy
- renal disease with creatinine >0.3 2. pulmonary hypertension
Give pre-pregnancy advice on folate intake. (how long prior to pregnancy, dosage, formula)
Start taking folate three months prior to pregnancy and all the way through; 0.5mg/d standard, and 5mg/d for high risk of neural tube defect. Often available as part of multivitamin tablet.
Why are alcohol, smoking and cocaine bad in pregnancy?
Alcohol: foetal alcohol syndrome.
Smoking: increased risk of miscarriage.
Cocaine: limb defects
Name 4 symptoms of pregnancy
Absence of period, urinary frequency, nausea, breast tenderness
For gestational age ultrasounds, what does the 6-12wk one and the 12-20wk one measure, respectively?
6-12wk: crown rump length (size of foetus)
12-20wk: biparietal diameter (size of head)
What is Naegele’s rule, when does it need adjustment, and when is it unreliable?
9mos + 1wk from first day of last normal menstrual period.
Adjust if cycle longer or shorter than 28 days
Unreliable if irregular cycles or recently ceased OCP
Why are allergies important in pregnancy?
Anaphylaxis generally lethal.
Three parts of a gynaecological examination.
External inspection, speculum examination and bimanual palpation
What investigation to order at first antenatal visit? (haematology, blood bank, microbiology, cytology, biochemical and imaging)
haem: Hv, platelet, MCV
blood bank: blood group, antibody screen
microbiology: rubella, varicella; syphilis; HIV, HBV, HCV
cytology: pap smear
biochemical: serum screen T21 or NIPT
imaging: 12wk nuchal translucency; 19wk morphology scan
What food poisoning to worry about during pregnancy, why and the source of foods?
Listeria. Worry because it crosses placenta and causes miscarriage/stillbirth. Source of foods include soft cheeses, chicken and pre-packaged salads.
Name 5 mineral and vitamin supplementation recommended during pregnancy
Iron, calcium, vitamin D, folate and iodine.
Name 2 conditions of focus in subsequent antenatal visits, and their signs.
- pre-eclampsia. hypetension, proteinuria and oedema.
2. placental insufficiency. poor foetal movement, poor growth.
Recommended frequency for subsequent antenatal visits according to gestational age.
<28wks: monthly
28-36wks: fortnightly
>36wks: weekly
Anatomical landmark for measurement of fundal height?
from pubic symphysis to top of uterus
Investigations for 28wk visit?
FBE, OGTT; and if Rh-ve, do Rh Ab and administer anti-D
Investigations for 36wk visit?
FBE (if Hb low); GBS swab (low vaginal and anal); anti-D if Rh-ve
What to do if GBS+ve?
Intrapartum penicillin
What are the 2 physiological changes in cardiovascular system during pregnancy?
increased cardiac output and decreased total peripheral resistance