主题词：Reproductive Biology and Fertility; Ovarian function and disorders; Reproductive Health and Technologies; Sperm and Testicular Function; Assisted Reproductive Technology and Twin Pregnancy; Reproductive System and Pregnancy; Prenatal Screening and Diagnostics; Gynecological conditions and treatments; Endometriosis Research and Treatment; Ectopic Pregnancy Diagnosis and Management; Male Reproductive Health Studies; Hypothalamic control of reproductive hormones; Demographic Trends and Gender Preferences; Reproductive biology and impacts on aquatic species; Reproductive Health and Contraception; COVID-19 Impact on Reproduction; Ovarian cancer diagnosis and treatment; Women's cancer prevention and management; Pregnancy and preeclampsia studies; Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities; Menopause: Health Impacts and Treatments; Uterine Myomas and Treatments; Pluripotent Stem Cells Research; Sexual Differentiation and Disorders; Animal Genetics and Reproduction