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A 33-year-old female asked:

why is pre term labour likely to happen again?is it bcuz the body doesn't know how to go full term? is it still likely if on progesterone shots?

2 doctor answers3 doctors weighed in
Dr. Kenneth Crabb
Obstetrics and Gynecology 46 years experience
Can recur: Preterm labor can recur in later pregnancies. 17 oh Progesterone injections starting in the 2nd trimester do decrease the risk.
Dr. Kirstie Cunningham
Obstetrics and Gynecology 26 years experience
Multiple reasons: Sometimes we do not know what causes preterm labor, especially when there are seemingly no risk factors. There are multiple risk factors and conditions associated with preterm labor and delivery. As you have alluded to, having one preterm birth is a risk factor for a repeat preterm birth. Progesterone decreases the risk of preterm birth in these women.

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Last updated Jun 20, 2015

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