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Natural Pregnancy Following Oocyte Retrieval in a Luteal-Phase Progestin-Primed Ovarian Stimulation (PPOS) Protocol With Concurrent Blastocyst Cryopreservation: A Case Report.

Ovarian stimulation is used in assisted reproductive technology to help infertile couples achieve pregnancy. Luteal-phase stimulation with progestin-primed ovarian stimulation (PPOS) is a practical approach, as it involves oral medication …

Published: Aug. 17, 2025, midnight
Study on the relationship between endometrial thickness on hCG day in the progestin-primed ovarian stimulation protocols and pregnancy outcomes in frozen-thawed embryo transfer cycles - Frontiers

Study on the relationship between endometrial thickness on hCG day in the progestin-primed ovarian stimulation protocols and pregnancy outcomes in frozen-thawed embryo transfer cycles Frontiers

Published: Aug. 9, 2025, 1:56 a.m.
Initial and cyclic recruitment of ovarian follicles: a quarter-century update.

A review of advancements in primordial follicle activation and cyclic recruitment research over the past 25 years is presented. The review examines the latest insights into the mechanisms of primordial …

Published: June 18, 2025, midnight
Fertility preservation in women with endometriosis: A retrospective non-Inferiority study comparing Dienogest in the PPOS protocol to antagonist and agonist protocols.

Endometriosis is a common pathology that can lead to a decrease in fertility and is therefore a medical indication for preserving fertility. Traditionally, gonadotropin-releasing hormone (GnRH) antagonist and agonist protocols …

Published: April 3, 2025, midnight
Smooth endoplasmic reticulum aggregates in human oocytes are related to female infertility etiology and diminished reproductive outcomes.

Smooth endoplasmic reticulum aggregates (SERa) are a type of dysmorphism in oocytes derived from controlled ovarian stimulation (COS). The effect of SERa on assisted reproductive techniques (ART) outcomes is debatable. …

Published: Feb. 28, 2025, midnight
The application of progesterone-primed ovarian stimulation protocol in patients with ovarian endometriosis combined with diminished ovarian reserve.

The aim was to investigate the value of the application of a progesterone-primed ovarian stimulation (PPOS) protocol in patients with ovarian endometriosis (OEM) combined with diminished ovarian reserve (DOR).

Published: Feb. 18, 2025, midnight
The endometrioma paradox.

Endometriosis is a chronic disease that affects around 10% of reproductive age women worldwide and a common cause of infertility. One of its manifestations is ovarian endometriomas, which are present …

Published: Jan. 28, 2025, midnight
Reproductive outcomes in infertile women with endometriosis undergoing ART.

Background Endometriosis-related infertility and its treatment with assisted reproductive technologies (ART) have been broadly researched. Yet, underlying mechanisms of infertility, particularly in the absence of tubal dysfunction, remain unclear. While …

Published: Jan. 25, 2025, midnight
Luteinizing hormone profiles during ovarian stimulation in assisted reproductive treatment.

Few data is available on the natural course of luteinizing hormone (LH) during ovarian stimulation, but it has been suggested that 'oversuppressed' LH could decrease fertility outcomes. Our aim with …

Published: Dec. 4, 2024, midnight
A Cost-Effectiveness Analysis of Gonadotropins Used for Ovarian Stimulation during Assisted Reproductive Technology Based on Data from the French Nationwide Claims Database (SNDS).

Various gonadotropins are used for ovarian stimulation (OS). This study investigated the cost-effectiveness of different gonadotropins based on real-world data from the French National Health Database (SNDS) over a 7-year …

Published: Nov. 19, 2024, midnight
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