Ключевые слова: baby, biological, biology, birth, cell, competition, concept, contraception, control, dna, egg, female, fertile, fertility, fertilization, fertilize, genetic, health, human, illustration, life, love, male, medical, medicine, micro, microscope, motherhood, new, ovulation, ovule, ovum, parent, pregnancy, pregnant, procreation, reproduction, reproductive, research, science, seed, semen, winner,