Ключевые слова: artificial, assisted gamete, cell, change, cryopreservation, egg, egg cell, egg donation, fallopian tube, female, feminine, fertility, fertilization, gene modification, genetics, give birth, hospital, laboratory, liquid nitrogen, medical, medicine, microscope, oogenesis, operation, ovaries, ovulation, ovum, plug, pregnant, reproductive system, seed, sperm, spike, study, surgery, synthesize, syringe, the nucleus, uterus, vitrification, x ray, zygote,