Arab Board OB/GYN Final Clinical & Oral study materials
Arab Board OB/GYN Final Clinical & Oral study resources

Arab Board OB/GYN Final Clinical & Oral key terms

Arab Board OB/GYN Final Clinical & Oral · Get comfortable with the vocabulary.

Preeclampsia with severe features

New-onset hypertension after 20 weeks of gestation accompanied by signs of organ dysfunction such as severe blood pressure elevation, thrombocytopenia, renal or hepatic impairment, pulmonary oedema, or visual and cerebral symptoms. It mandates urgent treatment and usually delivery.

Related: HELLP syndrome, Magnesium sulfate prophylaxis, Fetal growth restriction
HELLP syndrome

A pregnancy-specific disorder defined by haemolysis, elevated liver enzymes, and low platelets, often occurring with preeclampsia. It can cause right upper quadrant pain, maternal collapse, and hepatic rupture, and delivery is the definitive treatment.

Related: Preeclampsia with severe features, Placental abruption
Magnesium sulfate prophylaxis

Intravenous or intramuscular magnesium given to women with preeclampsia to prevent or treat eclamptic seizures. Serum levels and reflexes are monitored because toxicity can depress respiration and cardiac conduction, and calcium gluconate is the antidote.

Related: Preeclampsia with severe features, Eclampsia
Eclampsia

The occurrence of generalised tonic-clonic seizures in a woman with preeclampsia, not explained by another cause. Management includes airway protection, magnesium sulfate, blood pressure control, and delivery once the mother is stabilised.

Related: Magnesium sulfate prophylaxis, Preeclampsia with severe features
Fetal growth restriction

A fetus that fails to reach its genetically determined growth potential, usually identified by estimated fetal weight below the 10th centile with abnormal Doppler or growth trajectory. It increases risks of stillbirth, hypoxia, and neonatal morbidity.

Related: Umbilical artery Doppler, Oligohydramnios, Preeclampsia with severe features
Umbilical artery Doppler

Ultrasound measurement of blood flow velocity in the umbilical artery, reported as pulsatility index and end-diastolic flow. Absent or reversed end-diastolic flow in growth-restricted fetuses signals placental insufficiency and prompts intensified surveillance or delivery.

Related: Fetal growth restriction, Antenatal corticosteroid therapy
Antenatal corticosteroid therapy

Administration of betamethasone or dexamethasone to women at risk of preterm birth between roughly 24 and 34 weeks to accelerate fetal lung maturation. It reduces respiratory distress syndrome, intraventricular haemorrhage, and neonatal mortality.

Related: Preterm prelabour rupture of membranes, Umbilical artery Doppler
Rhesus isoimmunisation

Maternal antibody production against fetal red cell antigens, most often Rhesus D, after fetomaternal haemorrhage. It causes fetal anaemia and hydrops, and is prevented by anti-D immunoglobulin and monitored with antibody titres and middle cerebral artery Doppler.

Related: Hydrops fetalis, Kleihauer-Betke test
Kleihauer-Betke test

A stain-based blood test that quantifies fetal red cells in maternal circulation, used to estimate the volume of fetomaternal haemorrhage. It guides whether additional anti-D immunoglobulin is needed in Rhesus-negative women.

Related: Rhesus isoimmunisation
Hydrops fetalis

Abnormal accumulation of fluid in at least two fetal compartments, such as ascites, pleural effusion, pericardial effusion, or skin oedema. Causes include anaemia, cardiac anomalies, infection, and chromosomal disorders, and it carries high perinatal mortality.

Related: Rhesus isoimmunisation, Parvovirus B19 in pregnancy
Parvovirus B19 in pregnancy

Maternal infection with a virus that can cross the placenta and suppress fetal erythropoiesis, causing severe fetal anaemia and hydrops. Surveillance with serial ultrasound and middle cerebral artery Doppler is used, and intrauterine transfusion may be required.

Related: Hydrops fetalis, Rhesus isoimmunisation
Oligohydramnios

A reduction in amniotic fluid volume, typically defined by a deepest vertical pocket of 2 cm or less or an amniotic fluid index below 5 cm. It may reflect fetal renal anomalies, ruptured membranes, or placental insufficiency.

Related: Fetal growth restriction, Preterm prelabour rupture of membranes
Preterm prelabour rupture of membranes

Rupture of the fetal membranes before 37 weeks of gestation and before the onset of labour. Management balances infection risk, latency prolongation, antenatal corticosteroids, and gestational age at delivery.

Related: Chorioamnionitis, Antenatal corticosteroid therapy, Oligohydramnios
Chorioamnionitis

Intra-amniotic infection of the membranes and amniotic fluid, suspected clinically by maternal fever with uterine tenderness, purulent discharge, or fetal tachycardia. It requires broad-spectrum antibiotics and prompt delivery.

Related: Preterm prelabour rupture of membranes, Group B streptococcus prophylaxis
Group B streptococcus prophylaxis

Intrapartum intravenous penicillin or a suitable alternative given to women colonised with group B streptococcus or with risk factors, to prevent early-onset neonatal sepsis. Screening is usually by rectovaginal swab at 35 to 37 weeks.

Related: Chorioamnionitis, Neonatal sepsis
Cardiotocography interpretation

Assessment of fetal heart rate tracings by baseline rate, variability, accelerations, and decelerations, classified as normal, suspicious, or pathological. It guides the need for intrauterine resuscitation or expedited delivery.

Related: Fetal blood sampling, Uterine hyperstimulation, Shoulder dystocia
Fetal blood sampling

A second-line test during labour in which a capillary sample from the fetal scalp is analysed for pH or lactate to clarify a suspicious fetal heart tracing. Abnormal values support operative delivery, while normal values allow continued labour.

Related: Cardiotocography interpretation
Uterine hyperstimulation

Excessive frequency or duration of uterine contractions, often related to oxytocin or prostaglandins, that can impair fetal oxygenation and cause fetal heart rate decelerations. Management includes stopping the agent, tocolysis, and maternal repositioning.

Related: Cardiotocography interpretation, Oxytocin augmentation
Oxytocin augmentation

Intravenous infusion of synthetic oxytocin to increase contraction strength or frequency in slow or arrested labour. It requires monitoring for hyperstimulation, fetal distress, and, rarely, water intoxication.

Related: Uterine hyperstimulation, Partogram
Partogram

A graphic record of cervical dilatation, fetal head descent, contractions, and maternal observations plotted against time in labour. It helps detect slow progress and prompts timely intervention or referral.

Related: Oxytocin augmentation, Obstructed labour
Obstructed labour

Failure of descent of the presenting part despite strong contractions because of a mechanical barrier such as cephalopelvic disproportion or malposition. Signs include a Bandl ring and fetal distress, and it risks uterine rupture and fistula formation.

Related: Partogram, Uterine rupture, Shoulder dystocia
Shoulder dystocia

Failure to deliver the fetal shoulders after delivery of the head, requiring manoeuvres such as McRoberts positioning and suprapubic pressure. It is an obstetric emergency associated with brachial plexus injury and postpartum haemorrhage.

Related: Obstructed labour, Postpartum haemorrhage
Uterine rupture

A full-thickness tear of the uterine wall, most often during labour in a scarred uterus, presenting with fetal bradycardia, loss of station, abdominal pain, and maternal shock. It demands immediate laparotomy and delivery.

Related: Obstructed labour, Postpartum haemorrhage
Postpartum haemorrhage

Blood loss of 500 mL or more after vaginal birth or 1000 mL or more after caesarean birth, or any loss causing haemodynamic compromise. Uterine atony is the commonest cause, and management follows a structured sequence of uterotonics and mechanical measures.

Related: Uterine atony, Bakri balloon tamponade, Retained placenta
Uterine atony

Failure of the uterus to contract adequately after delivery of the placenta, leading to heavy bleeding from the placental site. Risk factors include prolonged labour, overdistension, and multiple pregnancy, and treatment uses uterotonic drugs and massage.

Related: Postpartum haemorrhage, Bakri balloon tamponade
Bakri balloon tamponade

A intrauterine balloon inflated with saline to apply pressure to the uterine cavity and control atonic bleeding when drugs fail. It is a temporising measure while definitive treatment or transfer is arranged.

Related: Postpartum haemorrhage, Uterine atony
Retained placenta

Failure to deliver the placenta within a defined interval after birth, or incomplete expulsion of placental tissue. It causes haemorrhage and infection and may require manual removal or surgical evacuation.

Related: Postpartum haemorrhage, Placenta accreta spectrum
Placenta accreta spectrum

Abnormal deep adherence or invasion of placental tissue into the myometrium or beyond, usually over a prior caesarean scar. It causes severe haemorrhage at delivery and is managed by planned caesarean hysterectomy in a specialist centre.

Related: Retained placenta, Postpartum haemorrhage
Venous thromboembolism in pregnancy

Deep vein thrombosis or pulmonary embolism occurring during pregnancy or the puerperium, when hypercoagulability raises risk. Diagnosis uses compression ultrasound or ventilation-perfusion imaging, and treatment is low molecular weight heparin.

Related: Postpartum haemorrhage
Puerperal sepsis

Infection of the genital tract or pelvis occurring after birth, presenting with fever, pelvic pain, and offensive lochia. Prompt broad-spectrum antibiotics and source control prevent progression to septic shock.

Related: Chorioamnionitis, Neonatal sepsis
Neonatal sepsis

A systemic infection in a newborn, classified as early-onset when arising within the first days after birth, often from maternal genital tract organisms. It presents with poor feeding, lethargy, and instability and requires urgent antibiotics.

Related: Group B streptococcus prophylaxis, Puerperal sepsis
Cervical intraepithelial neoplasia

Pre-invasive squamous or glandular change of the cervix graded by the proportion of epithelium involved. High-grade lesions are treated by excision, usually large loop excision, to prevent progression to invasive cancer.

Related: Human papillomavirus vaccination, Colposcopy
Human papillomavirus vaccination

Prophylactic immunisation against oncogenic human papillomavirus types that cause cervical and other anogenital cancers. It is most effective before sexual debut and complements, but does not replace, cervical screening.

Related: Cervical intraepithelial neoplasia, Colposcopy
Colposcopy

Magnified examination of the cervix, vagina, and vulva after application of acetic acid or iodine to identify abnormal epithelium and direct biopsy. It is used to evaluate abnormal screening results.

Related: Cervical intraepithelial neoplasia, Human papillomavirus vaccination
Endometrial hyperplasia

Overgrowth of the endometrial lining, often due to unopposed oestrogen, classified as without atypia or with atypia. Atypical hyperplasia carries a significant risk of progression to carcinoma and is usually managed by hysterectomy.

Related: Postmenopausal bleeding
Postmenopausal bleeding

Any vaginal bleeding after twelve months of amenorrhoea in a woman not on hormone therapy. It requires investigation for endometrial carcinoma, typically by transvaginal ultrasound and endometrial biopsy.

Related: Endometrial hyperplasia
Ovarian torsion

Twisting of the ovary and its pedicle, causing venous and then arterial compromise. It presents with sudden severe unilateral pelvic pain and requires prompt laparoscopic detorsion to preserve ovarian function.

Related: Ectopic pregnancy
Ectopic pregnancy

Implantation of the embryo outside the uterine cavity, most commonly in the fallopian tube. It can rupture and cause life-threatening haemorrhage, and is managed by expectant, medical, or surgical means depending on stability and size.

Related: Ovarian torsion, Methotrexate therapy
Methotrexate therapy

Systemic or local administration of a folate antagonist to treat selected early ectopic pregnancies or to manage persistent trophoblastic disease. Eligibility depends on stability, size, and absence of fetal cardiac activity, with hCG follow-up required.

Related: Ectopic pregnancy
Polycystic ovary syndrome

A common endocrine disorder diagnosed by ovulatory dysfunction, clinical or biochemical hyperandrogenism, and polycystic ovarian morphology on ultrasound. It causes anovulatory infertility and metabolic risk and is managed with lifestyle change and ovulation induction.

Related: Ovulation induction, Ovarian hyperstimulation syndrome
Ovulation induction

Use of medication such as letrozole or clomiphene, sometimes with gonadotropins, to restore ovulation in anovulatory women. Cycles are monitored to limit multiple pregnancy and to time intercourse or insemination.

Related: Polycystic ovary syndrome, Ovarian hyperstimulation syndrome
Ovarian hyperstimulation syndrome

An iatrogenic complication of gonadotropin stimulation characterised by ovarian enlargement, capillary leak, ascites, and haemoconcentration. Severe cases risk thrombosis and renal failure and require fluid management and thromboprophylaxis.

Related: Ovulation induction, Polycystic ovary syndrome
Stress urinary incontinence

Involuntary leakage of urine on effort, coughing, or sneezing due to urethral sphincter weakness or hypermobility. Conservative therapy with pelvic floor muscle training is first line, with surgery reserved for persistent symptoms.

Related: Pelvic organ prolapse, Urodynamic studies
Pelvic organ prolapse

Descent of the anterior vaginal wall, posterior wall, uterus, or vaginal apex beyond its normal position. It presents with a vaginal bulge and pressure and is managed by pessary or reconstructive surgery depending on symptoms and fertility plans.

Related: Stress urinary incontinence, Urodynamic studies
Urodynamic studies

Tests that measure bladder and urethral function during filling and voiding, including cystometry and pressure-flow assessment. They help distinguish stress, urge, and mixed incontinence and detect detrusor overactivity before surgery.

Related: Stress urinary incontinence, Pelvic organ prolapse
Emergency contraception

Methods used after unprotected intercourse to prevent pregnancy, including copper intrauterine devices and oral levonorgestrel or ulipristal. The copper device is the most effective and can be inserted up to five days after intercourse.

Related: Combined oral contraceptive pill, Intrauterine device
Combined oral contraceptive pill

A contraceptive containing an oestrogen and a progestogen taken cyclically or continuously to suppress ovulation. It is highly effective when taken correctly, with risks including venous thrombosis and hypertension that must be assessed before prescribing.

Related: Emergency contraception, Venous thromboembolism in pregnancy
Intrauterine device

A small device placed in the uterine cavity, either copper-releasing or levonorgestrel-releasing, providing long-acting reversible contraception. It requires exclusion of pregnancy and infection at insertion and may alter bleeding patterns.

Related: Emergency contraception, Ectopic pregnancy
Informed consent

A patient's voluntary authorisation of a procedure after receiving and understanding information about its nature, benefits, alternatives, and material risks. It requires capacity and can be withdrawn at any time.

Related: Shared decision making, Duty of candour
Shared decision making

A collaborative process in which clinicians and patients exchange information about options, evidence, and values to reach a jointly agreed care plan. It respects autonomy and improves adherence and satisfaction.

Related: Informed consent, Duty of candour
Duty of candour

A professional and often statutory obligation to inform patients openly and promptly when a safety incident has caused or could have caused harm, and to explain and apologise. It supports transparency and learning after adverse events.

Related: Informed consent, Shared decision making