The effect of platelet-rich plasma on the improvement of pregnancy results in repeated implantation failure: A randomized controlled trial.

Background: The success rate of infertility treatment depends on many different factors.

Objective: This study aimed to determine the effect of platelet-rich plasma (PRP) on the improvement of pregnancy outcomes in participants with repeated implantation failure.

Materials And Methods: The study is a randomized triple-blind clinical trial.

The Effects of Vitamin D Supplement on Prevention of Recurrence of Preeclampsia in Pregnant Women with a History of Preeclampsia.

Introduction: Preeclampsia is a pregnancy-specific syndrome. One of the hypotheses concerning the etiology of preeclampsia is vitamin D deficiency during pregnancy.

Method And Materials: The present study is a randomized controlled clinical trial which aims to determine the effect of vitamin D supplement on reducing the probability of recurrent preeclampsia.