Miscarriages and preterm births are common and serious events affecting women, families, and healthcare systems on many levels. One of the risk factors for miscarriage and preterm birth is bleeding in the first trimester of pregnancy. Progesterone, a hormone that plays a key role during pregnancy, has been proposed as a possible medication to be used in pregnancy to prevent miscarriage and preterm birth among women who have bleeding in their first trimester of pregnancy. Unfortunately, unless sound clinical evidence is obtained through a clinical trial, whether or not progesterone can indeed prevent miscarriage and preterm birth remains uncertain and thus is not a recommended treatment in women with early pregnancy bleeding. The purpose of our study is to evaluate the effect of progesterone for the prevention of miscarriage and preterm birth among women with early pregnancy bleeding. We will carry out a clinical trial in which 850 women will be randomized to receive either progesterone supplementation (425 women) or a similarly appearing placebo (425 women) and the outcome of their pregnancy will be compared.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Enrollment
850
Karma Medical Clinic
Kitchener, Ontario, Canada
North York General Hospital
North York, Ontario, Canada
Jewish General Hospital
Montreal, Quebec, Canada
CHU Sainte-Justine
Montreal, Quebec, Canada
MUHC Royal Victoria Hospital
Montreal, Quebec, Canada
St. Mary's Hospital
Montreal, Quebec, Canada
Hôpital Fleurimont
Sherbrooke, Quebec, Canada
Miscarriage
Occurrence of a miscarriage (\<20 weeks)
Time frame: From 6-8 weeks of pregnancy until miscarriage
Preterm birth
Occurrence of preterm birth (\<37 weeks)
Time frame: From 6-8 weeks of pregnancy until delivery
Maternal outcomes
Antenatal admissions, treatment of preterm labor etc.
Time frame: From 6-8 weeks of pregnancy until 6 weeks post delivery
Neonatal outcomes
Malformations, growth restriction, prematurity associated morbidity, etc.
Time frame: 2 days to 6 weeks post delivery
Healthcare outcomes
Hospital costs, etc
Time frame: From 6-8 weeks of pregnancy until 6 weeks post delivery
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