IRCT20120104008611N8.

Study name	The Comparison between the effect of dyrogesterone and Cyclogest intake on pregnancy in case of threatened abortion
Methods	2‐arm active‐controlled randomised trial.
Participants	Inclusion criteria: gestational age 6 to 13 weeks; observation of fetal heart rate; vaginal bleeding; uterine closure; uterine or fetal anomalies. Exclusion criteria: unwillingness of the patient; lack of fetal heart rate; severe liver problems; epilepsy; diabetes; hypertension.
Interventions	400 mg vaginal micronized progesterone daily versus 20 mg dydrogesterone daily up to the end of 16 weeks of pregnancy.
Outcomes	Threatened abortion; gestational diabetes; preterm labor; low birthweight; abortion under 20 weeks of pregnancy
Starting date	22‐May‐2017
Contact information	pakniat110@yahoo.com
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