主题词：Sperm and Testicular Function; Reproductive Biology and Fertility; Reproductive Physiology in Livestock; Ovarian function and disorders; Reproductive Health and Technologies; Assisted Reproductive Technology and Twin Pregnancy; Reproductive System and Pregnancy; Genetic and phenotypic traits in livestock; Pregnancy and preeclampsia studies; Reproductive biology and impacts on aquatic species; Prenatal Screening and Diagnostics; Birth, Development, and Health; Endometriosis Research and Treatment; Selenium in Biological Systems; Hormonal and reproductive studies; Global Maternal and Child Health; Effects of Environmental Stressors on Livestock; Effects and risks of endocrine disrupting chemicals; Phytoestrogen effects and research; Gynecological conditions and treatments; Animal Genetics and Reproduction; Demographic Trends and Gender Preferences; Bee Products Chemical Analysis; COVID-19 Impact on Reproduction; Ectopic Pregnancy Diagnosis and Management