Demand for testosterone therapy has soared in the United States with more men seeking to increase hormone levels in hopes of enhancing virility, strength and energy. Testosterone therapy has become a burgeoning business with direct-to-consumer men’s health platforms proliferating online in recent years. While testosterone therapy benefits some men, it can be harmful for others,...
Higher Prevalence of Evening Chronotype in Women with PCOS Associated with Worse Metabolic Profile
A higher prevalence of the evening chronotype in women with polycystic ovary syndrome (PCOS) is associated with a worse hormonal and metabolic profile, according to a paper recently published in the Journal of Pineal Research. Researchers led by Giovanna Muscogiuri, MD, PhD, an assistant professor in the Unit of Endocrinology at Federico II University Medical...
Cryos International Sperm and Egg Bank recently announced a published scientific study which suggests that the use of Virtual Reality (VR) headsets during sperm donation has a positive effect on sperm quality. The study can be viewed in Reproductive Biology and Endocrinology. During the summer of 2021 Cryos International introduced VR headsets in the donor...
Excessive Smartphone Screen Time Linked to Earlier Puberty Onset
Exposure to blue light through regular use of tablets and smartphones may alter hormone levels and increase the risk of earlier puberty, according to data from a rat study presented last month at the 60th Annual European Society for Paediatric Endocrinology Meeting in Rome. Longer duration of blue light exposure was associated with earlier puberty...
Mouse Model of Transgender Men Finds Active Testosterone Worsens IVF Outcomes
A study presented at ENDO 2022 in Atlanta this past summer suggests that active testosterone therapy for transgender men may negatively impact IVF outcomes. Research presented by Amanda Schwartz, MD, a reproductive endocrinology and infertility fellow at the University of Michigan, found that female mice currently receiving testosterone had fewer and less developed eggs retrieved....
New Study Makes Case for Culturing Embryos Up to Seven Days Post-Insemination for Selected Patients
Ending embryo culture at 144 hours (six days) post-insemination (h.p.i.) would involve 7.3 percent and 4.4 percent relative reductions in the number of patients obtaining euploid blastocysts and live birth(s) (LBs), respectively, according to a study published in Human Reproduction. The study results were announced recently by Fairtility, a company using artificial intelligence to enhance in...
Obesity in Pregnancy Increases Risk of Lifelong Cardiovascular Disease in Offspring
Maternal obesity impairs heart health and function of the fetus according to a new study mouse study published in The Journal of Physiology. The study found that maternal obesity causes molecular changes in the heart of the fetus and alters expression of genes related to nutrient metabolism, which greatly increases offspring’s risk of cardiac problems...
Animal study links scream sound exposure to lower egg count in female rats Female rats exposed to a scream sound may have diminished ovarian reserve and reduced fertility, according to a small animal study published in Endocrinology. Ovarian reserve is the reproductive potential left within a woman’s two ovaries based on the number and quality...
