Marine sponges play important roles in benthic ecosystems. More than providing shelter and food to other species, they help maintain water quality by regulating nitrogen and ammonium levels in the water, and bioaccumulate heavy metals. This system, however, is particularly sensitive to sudden environmental changes including catastrophic pollution event such as oil spills.
View Article and Find Full Text PDFObjective: To determine pharmacokinetic profiles of two times a day and three times a day dosage regimens of Endometrin, a micronized progesterone vaginal insert for luteal support in assisted reproductive technology, compared with a gel.
Design: A single-center, randomized, open-label, single-day, and multiple-day (5 days) parallel design pharmacokinetic study.
Setting: University clinical research unit.
Objective: To evaluate vaginal compared to intramuscular (IM) progesterone supplementation for luteal phase support after in vitro fertilization and embryo transfer (IVF-ET).
Design: Retrospective matched-samples comparative study.
Setting: Private infertility center.
Objective: To assess the efficacy and safety of a vaginal progesterone (P(4)) insert (Endometrin) for luteal support for assisted reproductive technology (ART).
Design: Multicenter, randomized, open-label (assessor-blinded) phase III clinical trial.
Setting: Twenty-five U.