High-Risk Pregnancy Identification and Risk Scoring
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Direct answer
A high-risk pregnancy is one in which the mother, the fetus or both face a raised chance of morbidity or death, so it needs more intensive care than routine antenatal care. Identification relies on a structured history and a points-based score applied at every visit to sort women into referral levels. Scoring directs each woman to the right level of care, rather than labelling the pregnancy as abnormal.
What you must remember
- Definition: a pregnancy with a higher than average risk of maternal or perinatal morbidity or mortality, requiring care beyond routine antenatal services.
- Maternal factors: age below 18 or above 35 years, short stature, grand multiparity and previous caesarean or adverse outcomes.
- Medical factors: hypertension, diabetes, cardiac or renal disease, epilepsy, thyroid disease and severe anaemia.
- Obstetric factors: multiple gestation, placenta praevia, Rh isoimmunisation, intrauterine growth restriction, abnormal liquor volume and preterm labour.
- Anaemia thresholds: haemoglobin below 11 g/dL is anaemia in pregnancy, and below 7 g/dL is severe and needs urgent evaluation.
- Scoring: most Indian programmes use a points-based antenatal score in which each factor adds weight, and higher totals trigger referral.
- Indian marking: the MCP card's red marking for high-risk pregnancies alerts every provider that the woman needs closer care.
Working through risk scoring at antenatal visits
Risk is not fixed at the first visit, so the score must be repeated as the pregnancy develops. The steps below describe a standard approach.
- Register and score early: record the risk factors at the first visit, assign the initial score and mark the card if the pregnancy is high risk.
- Re-score at each visit: update the score at every antenatal contact, since new risks such as pre-eclampsia or anaemia can emerge late.
- Assign the referral level: decide whether care can be given at the sub-centre, primary health centre or community health centre, or whether a First Referral Unit or tertiary centre is needed.
- Refer with a plan: send the woman with a written summary of her risk factors, the investigations done and the reason for referral, and arrange transport.
- Re-evaluate in labour: reassess risk on admission, since a woman scored low may deteriorate, and call for specialist help early.
Where the exam tries to catch you
Questions here test whether you use scoring correctly, as a tool for referral rather than a diagnosis.
- Trap: Treating a risk score as a diagnosis. Correct: A score guides referral and vigilance, and a woman with a low score can still develop pre-eclampsia, so reassessment continues.
- Trap: Scoring only at the first visit. Correct: Risk changes across pregnancy and labour, so the score must be repeated at each contact.
- Trap: Equating high risk with a need for caesarean. Correct: High-risk status means closer monitoring and referral to an appropriate centre, and many high-risk women still deliver vaginally.
Frequently asked questions
What maternal age is treated as a high-risk criterion?
Maternal age below 18 years and above 35 years is commonly used as a high-risk criterion in antenatal scoring. Advanced maternal age is particularly linked with chromosomal anomalies and hypertensive disease in pregnancy.
What haemoglobin level defines severe anaemia in pregnancy?
Haemoglobin below 7 g/dL is generally regarded as severe anaemia in pregnancy under WHO-based and Indian programme criteria. Such women need urgent evaluation, and transfusion may be required depending on their clinical status.
What is a First Referral Unit?
A First Referral Unit is a facility providing round-the-clock emergency obstetric and newborn care, including caesarean section, blood storage and anaesthesia. It receives high-risk pregnancies referred from sub-centres, primary health centres and community health centres.
Why does the MCP card mark high-risk pregnancies?
The MCP card's red marking alerts every provider that a pregnancy is high risk, prompting closer monitoring and timely referral. It is part of India's risk approach, which aims to get high-risk women to a facility with specialist care in time.