Results 101 to 110 of about 3,159,980 (263)
Background We evaluated the risk of pelvic inflammatory disease (PID), ectopic pregnancy, and infertility in women with a previous Chlamydia trachomatis (CT) diagnosis compared with women who tested negative for CT and CT untested women, considering both
Casper D. J. den Heijer+8 more
semanticscholar +1 more source
Functional study of a novel missense single-nucleotide variant of NUP107 in two daughters of Mexican origin with premature ovarian insufficiency. [PDF]
BackgroundHypergonadotropic hypogonadism (HH) is a genetically heterogeneous disorder that usually presents with amenorrhea, atrophic ovaries, and low estrogen. Most cases of HH are idiopathic and nonsyndromic.
Diao, Feiyang+6 more
core +2 more sources
Hysteroscopic Findings in Patients with A History of Two Implantation Failures Following In Vitro Fertilization [PDF]
Background This study was designed to evaluate the incidence of uterine pathologies in infertile women with a history of two implantation failures after in vitro fertilization (IVF) and estimate the effect of hysteroscopic correction on achieving a ...
Ashraf Moini+3 more
doaj
Scrambling eggs: Meiotic drive and the evolution of female recombination rates [PDF]
Theories to explain the prevalence of sex and recombination have long been a central theme of evolutionary biology. Yet despite decades of attention dedicated to the evolution of sex and recombination, the widespread pattern of sex-differences in the recombination rate is not well understood and has received relatively little theoretical attention ...
arxiv
BACKGROUND Sirtuins (SIRT1-7) are a family of NAD+-dependent deacetylases that catalyze post-translational modifications of proteins. Together, they respond to metabolic challenges, inflammatory signals or hypoxic/oxidative stress, and are associated ...
C. Tatone+6 more
semanticscholar +1 more source
Deficiency of Mkrn2 causes abnormal spermiogenesis and spermiation, and impairs male fertility. [PDF]
Although recent studies have shed insights on some of the potential causes of male infertility, new underlining molecular mechanisms still remain to be elucidated.
Ge, Xin+19 more
core +2 more sources
Objectives: Polycystic ovary syndrome (PCOS) is a common endocrine disorder related to several metabolic consequences. However, there remains uncertainty regarding the metabolic features of various phenotypes.
Mahnaz Ashrafi+5 more
doaj +1 more source
Evolution of female choice and age-dependent male traits with paternal germ-line mutation [PDF]
Several studies question the adaptive value of female preferences for older males. Theory and evidence show that older males carry more deleterious mutations in their sperm than younger males carry. These mutations are not visible to females choosing mates.
arxiv
ObjectiveTo investigate the risk of preterm birth among liveborn singletons to primiparas who conceived with assisted reproductive technology (ART) using four mutually exclusive categories of infertility (female infertility only, male infertility only ...
core
Paternity after microscopic inguinal surgery of varicocele in infertile males: A 5-years follow up [PDF]
Objectives: Infertility affects about 15% of couples. One of the most common causes of male infertility is varicocele. In this study, the live birth rate after microscopic inguinal varicocelectomy and some related factors were studied in Northeast of ...
Ghazimoghadam, K.+2 more
core