Clinical Trial: Early Pregnancy Ultrasound Parameters Including Corpus Luteum Doppler in Prediction of First Trimester Pregnancy Outcome in Spontaneous Pregnancies.

U.S., Oct. 3 -- ClinicalTrials.gov registry received information related to the study (NCT07204028) titled 'Early Pregnancy Ultrasound Parameters Including Corpus Luteum Doppler in Prediction of First Trimester Pregnancy Outcome in Spontaneous Pregnancies.' on Sept. 24.

Brief Summary: The synthesis of progesterone by corpus luteum is extremely important for the maintenance of normal pregnancy in the first seven weeks. Similarly, the production of progesterone by the placental syncytiotrophoblast increases progressively during the first weeks of gestation, so that in eight and a half weeks the placenta and corpus luteum contribute in equal amounts of progesterone. However, from the eighth week, the placental contribution is sufficient to ma...