Find out more about your stage of pregnancy

Premature birth and your pregnancy/medical history

Your history of previous pregnancies and your medical history are factors in determining your risk of premature delivery.

If you have had a premature baby in the past, you are more likely to have a premature delivery in future pregnancies.

In fact, the main risk factor for premature delivery is previous premature delivery. The more premature deliveries you have had, and the earlier your babies were born, the higher the risk of premature delivery in a future pregnancy.

You're also more likely to go into premature labour if:

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Reviewed June 2014, next review June 2017


Norman JE, Greer IA (2011) Preterm labour: managing risk in clinical practice Cambridge University Press

BMJ Clinical Evidence (accessed Feb 2014) Premature birth, Aetiology, Best Practice,

Chandiramani M, Shennan AH (2008) Cervical insufficiency: prediction, diagnosis and prevention, The Obstetrician & Gynaecologist,10: 99–106.

Williams JK, McClain L, Rosemurgy AS, Colorado NM (1990) .Evaluation of blunt abdominal trauma in the third trimester of pregnancy: maternal and fetal considerations Obstetrics and Gynaecology, Jan;75(1):33-7

The causes and problems of premature birth

Your premature baby:

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