Ключевые слова: abstract, background, biology, birth, blue, care, cell, closeup, concept, disease, dna, egg, fertile, fertility, fertilization, fertilize, genetic, group, health, healthcare, human, illness, illustration, insemination, life, male, medical, medicine, microbiology, microscopic, molecule, ovulation, ovum, prostate, reproduction, reproductive, research, science, symbol, technology, white,