What Increases Your Risk
A risk factor is anything that increases your chances of having a problem.
Risk factors related to your pregnancy
- Pregnancy with twins, triplets, or more.
- Infection in the urinary or reproductive tract, including the vagina.
- Reference Shortened cervix or Reference incompetent cervix Opens New Window.
Risk factors related to your medical history
- A past preterm delivery.
- Previous surgery on your Reference cervix Opens New Window Reference Opens New Window, such as a Reference cone biopsy Opens New Window. Having a Reference loop electrosurgical excision procedure (LEEP) Opens New Window also raises preterm labor risk.Reference 2
Other risk factors
- Being younger than 18 years.
- Cigarette smoking during pregnancy.
- Use of cocaine or methamphetamine.
|By:||Reference Healthwise Staff||Last Revised: Reference May 10, 2012|
|Medical Review:||Reference Sarah Marshall, MD - Family Medicine
Reference William Gilbert, MD - Maternal and Fetal Medicine