Correct Answer: B. Immediate caesarean section
At 38 weeks gestation with DCDA twins, breech presentation of the first twin, and new-onset hypertension (≥140/90 mm Hg on two occasions) with proteinuria, this patient meets criteria for preeclampsia (gestational hypertension + proteinuria after 20 weeks). The combination of preeclampsia + breech presentation of first twin in a multiple gestation mandates immediate caesarean delivery. Per Indian guidelines (FOGSI, ICMR) and Harrison, preeclampsia at term (≥37 weeks) requires delivery regardless of fetal presentation. Breech presentation of the first twin in a twin gestation is a relative contraindication to vaginal delivery in most Indian centres; combined with preeclampsia, it becomes an absolute indication for caesarean section. At 38 weeks, the fetus is viable and mature. Waiting for labour induction or monitoring risks maternal complications (eclampsia, HELLP, placental abruption, maternal stroke) and fetal compromise. Immediate caesarean section addresses both maternal (preeclampsia) and fetal (breech, twin gestation) indications simultaneously, ensuring optimal outcomes for both mother and babies.
Why the other options are wrong
A. Monitor BP and terminate pregnancy if BP rises — This is wrong because preeclampsia at term (≥37 weeks) is an indication for immediate delivery, not expectant management. Monitoring delays definitive treatment and risks maternal complications (eclampsia, HELLP syndrome, placental abruption). The patient already has documented hypertension + proteinuria—the diagnosis is established. Waiting for BP to rise further exposes the mother to preventable morbidity and mortality. Indian obstetric guidelines mandate delivery within 24 hours of preeclampsia diagnosis at term. C. Terminate pregnancy at 40 weeks of gestation — This is wrong because waiting until 40 weeks is unsafe in preeclampsia at term. The patient is already at 38 weeks with established preeclampsia; delaying delivery by 2 weeks significantly increases risk of eclampsia, HELLP, abruption, and fetal death. Preeclampsia is a progressive disease—maternal condition typically worsens with advancing gestation. At term (≥37 weeks), delivery should occur within 24 hours of diagnosis, not deferred. This option confuses expectant management (appropriate <34 weeks) with term preeclampsia management. D. Induce labour with PGE2 gel — This is wrong because breech presentation of the first twin is a contraindication to vaginal delivery in most Indian centres and international guidelines. PGE2 induction would attempt vaginal delivery, which carries high risk of cord prolapse, fetal trauma, and maternal injury in breech presentation. Additionally, in preeclampsia with breech twin, caesarean section is faster and safer than induction. Induction also delays definitive management of preeclampsia and risks labour dystocia, requiring emergency caesarean anyway. The combination of preeclampsia + breech twin mandates planned caesarean, not trial of labour.
High-Yield Facts
- Preeclampsia at term (≥37 weeks) requires delivery within 24 hours regardless of fetal presentation or maternal symptoms.
- Breech presentation of first twin in multiple gestation is a relative/absolute contraindication to vaginal delivery in Indian practice; caesarean section is standard.
- DCDA twins (dichorionic diamniotic) have lower perinatal mortality than MCDA, but breech first twin still mandates caesarean in most centres.
- Preeclampsia diagnosis = hypertension (≥140/90 mm Hg on two occasions ≥4 hours apart) + proteinuria (≥1+ on dipstick or ≥300 mg/24 h) after 20 weeks gestation.
- Expectant management of preeclampsia is only considered <34 weeks in selected cases; at term, delivery is definitive treatment.
- IVF pregnancy carries higher risk of preeclampsia and gestational hypertension; multiple gestation further increases risk.
Mnemonics
TERM PreE = Delivery At TERM (≥37 weeks) with PreEclampsia → Delivery (within 24 hours). Do NOT monitor, do NOT wait, do NOT induce if contraindication to vaginal delivery exists. Breech Twin = Caesarean Breech presentation of FIRST twin in multiple gestation = Caesarean section (not vaginal). Combine with preeclampsia = immediate caesarean.
NBE Trap
NBE pairs "monitoring BP" with preeclampsia to trap students who confuse expectant management (appropriate <34 weeks) with term preeclampsia, where delivery is mandatory. The presence of breech twin further reinforces caesarean as the only safe option, but students may focus only on preeclampsia and miss the obstetric contraindication to vaginal delivery.
Clinical Pearl
In Indian tertiary centres, any patient with preeclampsia at term + obstetric contraindication to vaginal delivery (breech, previous caesarean, etc.) goes straight to OT for caesarean section—no induction attempt. This is the safest pathway for both mother and babies, especially in multiple gestation where fetal monitoring is challenging and labour dystocia is common.
_Reference: DC Dutta's Textbook of Obstetrics (8th ed), Ch. 24 (Hypertensive Disorders in Pregnancy); FOGSI Guidelines on Management of Preeclampsia; Harrison Ch. 6 (Pregnancy and Lactation)_