Uckele 2010.

Trial name or title	Oral progesterone and low‐dose aspirin in the prevention of pre‐eclampsia.
Methods	Randomised double blind trial.
Participants	Pregnant women between 18 and 45 years with a previous history of pre‐eclampsia in the preceding pregnancy.
Interventions	Aspirin and progesterone versus aspirin and placebo.
Outcomes	Pre‐eclampsia.
Starting date	July 2008.
Contact information	John.Uckele@beaumont.edu, Evie.Russell@beaumont.edu (Michigan, USA)
Notes

IM: intramuscular