![](http://www.alamy.com/thumbs/6/9559AA90-00F0-4767-8D5E-21566DAB97EA/F3B4JJ.jpg)
Swimming sperm race to impregnate a fertile human egg
Size: 5200px × 3200px
Photo credit: © Aaron Bastin / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: baby, biology, birth, cell, concept, conception, contraception, control, egg, ejaculation, female, fertile, fertility, fertilization, fertilize, fluid, genetics, health, human, impregnate, insemination, life, medical, micro, microscopic, miracle, motherhood, orgasm, ova, ovary, ovulation, parent, pregnancy, pregnant, reproduction, research, science, seed, semen, seminal, sex, sperm, spermatozoa, swimming, winner