Pregnancy loss can be defined as a loss before either 20 or 24 weeks of gestation (based
on the first day of the last menstrual period) or the loss of an embryo or fetus less than 400 g …

Miscarriage, defined as the loss of a pregnancy before 24 weeks of gestation, is the most
common complication of early pregnancy, affecting approximately 15% of clinically …

Progesterone is essential for the maintenance of pregnancy, and progesterone deficiency is
associated with miscarriage. The subject of whether progesterone supplementation in early …

Purpose The efficacy of progesterone supplementation in the treatment of threatened
miscarriage is controversial. This meta-analysis was to evaluate the correlation between …

Preterm birth, defined as delivery before 37 weeks of gestation, is the second leading cause
of infant mortality in the United States after congenital malformations. 1 Spontaneous …

BACKGROUND: Progesterone, a female sex hormone, is known to induce secretory
changes in the lining of the uterus essential for successful implantation of a fertilized egg. It …

Aim To investigate whether treatment with progesterone would decrease the incidence of
miscarriage in women who faced threatened miscarriage. Methods Randomized controlled …

Progesterone is essential for the maintenance of pregnancy. Several small trials have
suggested that progesterone supplementation may reduce the risk of miscarriage in women …

INTRODUCTION—Preterm birth (delivery prior to 37 weeks or 259 days of gestation)
complicates 1 in 8 deliveries in the United States, but accounts for over 85 percent of all …

STUDY QUESTION In women with threatened miscarriage, does progesterone
supplementation until the completion of the first trimester of pregnancy increase the …