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    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Primula pollen grain — Stock Photo
    Primula pollen grain
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Egg cells on white background, digital illustration. — Stock Photo
    Egg cells on white background, digital illustration.
    3d illustration of sperm cells approaching egg cell on colorful blue background. — Stock Photo
    3d illustration of sperm cells approaching egg cell on colorful blue background.
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Human sperm cells — Stock Photo
    Human sperm cells
    Magnified digital illustration of 2 cell stage embryo. — Stock Photo
    Magnified digital illustration of 2 cell stage embryo.
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    3d illustration of sperm cell frozen into ice cube. — Stock Photo
    3d illustration of sperm cell frozen into ice cube.
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower.
    Egg cell with nucleus, digital illustration. — Stock Photo
    Egg cell with nucleus, digital illustration.
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Human sperm cells — Stock Photo
    Human sperm cells
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from Nymphaeaceae water lily flower.
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Alstroemeria anther and pollen — Stock Photo
    Alstroemeria anther and pollen
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    In vitro fertilisation, computer illustration — Stock Photo
    In vitro fertilisation, computer illustration
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Human egg cell — Stock Photo
    Human egg cell
    Illustration of human egg cell dividing on blue background. — Stock Photo
    Illustration of human egg cell dividing on blue background.
    Aconite anther and pollen — Stock Photo
    Aconite anther and pollen
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg cell.
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Male sex cell — Stock Photo
    Male sex cell
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Magnified digital illustration of 8 cell stage embryo. — Stock Photo
    Magnified digital illustration of 8 cell stage embryo.
    Human ovary structure — Stock Photo
    Human ovary structure