OG Flashcards
Desiring contraception and skin prone to outbreaks
Best option?
COCP: can treat acne too
2 HIV +ve people in sexual relationship. Contraception?
Still recommend condoms due to risk of transmission of variants of virus
Inevitable vs incomplete miscarriage
Cervix open in incomplete and can be open in inevitable, BUT in incomplete passage of POC has started
Pubic symphisis Rx
Explain and reassure Normally not helped by analgesics (even paracetamol) But can offer co-codamol In severe cases can consider: Obstetric physio TENS machine
Maternal anaemia is more common in multiple pregnancy. When to recheck FBC?
20-24/40
Recheck again at 28/40 as normal
Indications for aspirin in multiple pregnancy
Age >40
First pregnancy in >10 years
BMI >35
FHx pre-eclampsia
When to offer elective birth in multiple pregnancy?
Dichorionic: 37/40
Monochorionic: 36/40
Triplets: 35/40
Give steroids in build up to each
Monitoring in monochorionic twins
Fortnightly USS to assess twin-twin transfusion
Contraindications to POP
Active liver disease
Breast ca
Congenital rubella syndrome features:
CCC-SMITH
Cardiac anomaly Cataracts Cerebral calcification Splenomegaly Microcephaly Icterus Thrombocytopenia Hepatomegaly
Criterion for referral for pre-eclampsia
Greater than 30/20 increase from Booking
BP >160/100
BP 140/90 + Sx/proteinuria
Features of IUGR
What is septic pelvic thrombophlebitis?
Px, Ix, Rx
Rare post-partum condition
Px: abdo pain and fever during postpartum
Continue to spike despite ABx
Ix: CT/MRI
Rx: IV Heparin - quickly resolves
(long term anticoagulation seldom needed)
What is the National Screening Programme for Downs Syndrome?
Nuchal translucency scan at 11-13/40
If risk >1/150, offer amniocentesis or chorionic villus sampling
counsel for risk of miscarriage
Rapidly enlarging central pelvic mass
+/- vag bleeding
+/- mass effect symptoms
Uterine leiomyosarcoma
Rx for breech baby
External cephalic version
if fail, elective C-section
Most common indication for induction
“post dates”
Modes of induction
- Membrane sweep
2. vaginal prostaglandins in pessary form (commonest medical IOL)
UK Perinatal Mortality Rate
Number of neonatal deaths from 24/40 to 7 days old + stillbirths, per 1000
(WHO includes late miscarriage from 22-24/40 but UK does not)
LH:FSH ratio in PCOS
2:1-3:1
RFs for uterine rupture
High parity
Macrosomia
Previous c-section
Birth within 18months of c-section (Scar still healing)
Commonest cause of maternal death in pregnancy in UK
PE/VTE
Amniotic fluid embolism Px + RFs
Px: similar to PE
RFs: trauma ruptured membranes traumatic delivery instrumental delivery amniocentesis
Which HRT regimen produces withdrawal bleed?
Which HRT regimen is indicated in post-menopausal women as it stops menses?
Which HRT recommended in hysterectomy?
- Continuous Oes + cyclical Prog
- Continuous Oes + Prog
- Continuous Oes
Up to what gestation is medical abortion appropriate? What is the therapy?
9/40
Mifepristone followed by prostaglandin 48h later
NB. Can also be used 9-20/40 “late medical abortion”
Post partum endometritis
Px
RFs
Rx
2-10days post partum: fever, tachycardia, abdo pain
RFs: HIV PROM Retained POC Obesity DM Extremes of productive age Manual removal of placenta
Rx: IV ABx +/- septic 6
When can secondary PPH happen
24h to 12/52 postpartum
Ogilvie syndrome?
pseudoobstruction post surgery/acute medical illness eg. delivery
Ovarian cyst classification
o Physiological
Follicular cyst = most common cyst
Corpus luteum cyst
o Benign germ cell tumours
Dermoid cyst/teratoma = most common benign ovarian tumour
o Benign epithelial cell tumours
Serous cystadenoma = most common benign epithelial tumour
Mucinous cystadenoma ~pseudomyxoma peritonei if ruptures
o (NB. Fibroma ~Meig’s syndrome)
Most common benign ovarian tumour
Dermoid cyst/teratoma
Most common benign epithelial tumour
Serous cystadenoma
Meig’s syndrome associated with which ovarian cyst
Fibroma
Most common ovarian cyst
follicular
Cyst associated with pseudomyxoma peritonei
Mucinous cystadenoma (if ruptures)
Transient idopathic osteoporosis Px
Hip/Groin pain, unable to weight bear, raised ESR
in THIRD trimester
Endometrial cancer Px RFs Prognosis Rx
Px: postmenopausal bleeding in >55yo
REFER TWR + TVUS
RFs:
oes exposure
(COCP and smoking are protective)
Prognosis: good
Rx: TAHBSO +/- radiotherapy
If frail: progestogen therapy
Postmenopausal woman with ovarian cyst.
Key Rx?
Urgent referral to gynaecologist for ALL
When is booking visit?
8-12/40
When is the downs/nuchal scan
11-13+6/40
When is the anomaly scan
18-20+6/40
In obstetrics, who gets vitamin D replacement?
ALL pregnant AND breastfeeding women
Malignant associations of COCP
Increased incidence of BREAST and CERVICAL
Reduced incidence of ovarian and endometrial cancer
MoA of contraception
All inhibit ovulation EXCEPT:
o POP (EXCEPT desogestrel): thickens cervical mucus
o IUD toxic to sperm
o IUS prevents endometrial proliferation
Cervical screening frequency and ages
25-49yo: every 3 years
50-64yo: every 5 years
When to investigate for infertility
After 12 mo of regular intercourse
OR
After 6mo if >35yo female
Diagnostic features of hyperemesis gravidarum
Electrolyte imbalance
Dehydration
5% w/l from pre-pregnancy weight
Scale for assessment of Postnatal depression
Edinburgh scale
Px of vulval cancer
elderly female with itchy, sore, ulcerated lesion on labia majora
Molar pregnancy:
Complete mole genetics
o 2 sperm fertilise empty ovum = 46chr all paternal
o 2-3% of choriocarcinoma
o May see hyperthyroidism
Molar pregnancy:
Partial mole genetics
Haploid egg fertilised by 2 sperm or 1 that duplicates = 69 XXX or 69 XXY
Hirsutism Ax
o PCOS – most common o Cushings o CAH o Primary adrenal tumour o Androgen-secreting ovarian tumour o Androgen therapy o Obesity o Drugs: phenytoin, steroids
Bacteria involved in BV
anaerobes that replace lactobacilli ie. isolate gram positives and gram negatives
Features of congenital VZV
MERLS: Microcephaly Eye defects Rudimentary digits Limb hypoplasia Skin scarring
Management of prem labour (early stages)
Tocolytics + steroids
- tocolytics may stop labour
- steroids in case of delivery to reduce risk of RDS
Vasomotor premenopausal Sx
Hx of VTE
?option for Rx
Clonidine
COCP and surgery
Stop 4/52 prior
can switch to POP
Asymptomatic bacteriuria at booking for pregnancy, treat or not?
Treat
Contraceptive patch directions and missed changes
o Change patch every week for 3 weeks, then remove for a week for withdrawal bleed
o If patch removal delayed by <48h, immediately change patch + no further precautions
o If patch removal delayed be >48h, immediately change + 7/7 condoms + ?emergency contraception
o If patch removal delayed at end of 3 weeks: remove and change on upcoming day as normal
o If patch application delayed at end of 4 weeks, apply patch + use condoms 7/7
Puerperal pyrexia Ddx
Likely endometritis (needs IV ABX eg. Clinda)
Other causes:
UTI, wound infection, mastitis, VTE
Premature babies and vaccinations
Get them as normal, according to chronological age
If <28/40 born, should receive them in hospital
SDLD RFs:
SDLD prophylaxis?
o DM mother
o Male
o C-section
o 2nd born of prem twins
prophylaxis: maternal steroids
Gestational DM Dx and Rx
Dx:
Screen with OGTT @ booking + 24-28/40
FG >5.6; 2h G>7.8
Rx:
FG <7: lifestyle -> add metformin if targets not met within 2 weeks
• Add insulin if still not met
FG>7: start insulin
FG 6-6.9 + evidence of complications: start insulin
If cannot tolerate metformin or decline insulin: glibenclamide
Post partum emergency contraception
o EC not required prior to 21/7
o After 21/7: Progesterone only EC (Levonelle, EllaOne) can be used
o Do not insert Cu IUD prior to 28/7
o B-F 98% effective if fully BF, amenorrheic and <6mo
Contraception time until effective
o Instant = IUD
o 2 days = POP
o 7 days = all else
Contraceptive of choice in younger people
Nexplanon/Prog implant:
- easier compliance
- lasts 3 years!
Contraceptives unaffected by enzyme induction
IUD
IUS
Depoprovera
COCP if breastfeeding?
Breastfeeding <6/52 postpartum = UKMEC 4
Pharm emergency contraceptives, within what time frame can they be used?
- Levonelle ~72h
- EllaOne ~120h, avoid in sev. Asthma
Both can be used >1x/cycle
Nitrofurantoin + pregnancy
Can be used in early preg but avoid near term due to neonatal haemolysis risk
Cefalexin or amox instead
C/Is to foetal blood sampling
Maternal HIV/Hep
Foetal haemophilia
Delivery <34/40
Medical abortion Rx
Mifepristone -> Misoprostol
NB. Mifepristone sensitises myometrium to prostaglandin-induced contractions
Incomplete abortion Rx
Misoprostol
Precocious puberty definition
Puberty <8 in females; <9 in males
Mcune-Albright Syndrome Px
unilateral cafe au lait spots
precocious puberty
polyostotic fibrous dysplasia ~fractures
POF definition and RFs
= onset of premenopausal Sx + elevated FSH/LH at <40yo
RFs: Chemo Radio AI Idiopathic
RFs for hyperemesis gravidarum
- Hx eating disorder
- molar pregnancy
- multiple pregnancy
- primp
NB. Smoking not a RF (actually more common in non-smokers)
When should child with mother who has HIV be tested for ANTIBODY
18mo
Antihypetensives in pregnancy
Labetalol
Methyldopa
Hydralazine
Nifedipine
RFs for retained placenta
Age >35 >5 births Prematurity Hx PPH INDUCED labour