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    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    3d illustration of red transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of red transparent sperm cells swimming towards egg cell.
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    3d illustration of ovum egg cell implanting in uterus. — Stock Photo
    3d illustration of ovum egg cell implanting in uterus.
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Human embryonic stem cell, digital illustration. — Stock Photo
    Human embryonic stem cell, digital illustration.
    Human ovary structure — Stock Photo
    Human ovary structure
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg cell.
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital 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.
    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.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Illustration of pink human egg cell on black background. — Stock Photo
    Illustration of pink human egg cell on black background.
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract 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.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Sperm fertilising an egg — Stock Photo
    Sperm fertilising an egg
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Sperm cells, abstract digital illustration. — Stock Photo
    Sperm cells, abstract digital illustration.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Prostate tissue showing Iadenocarcinoma — Stock Photo
    Prostate tissue showing Iadenocarcinoma
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    In vitro fertilisation, computer illustration — Stock Photo
    In vitro fertilisation, computer illustration
    Dividing bacteria on tissue surface — Stock Photo
    Dividing bacteria on tissue surface
    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.
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Human sperm cells — Stock Photo
    Human sperm cells
    Illustration of silhouette of pregnant woman with visible uterus and dividing egg cell. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and dividing egg cell.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Human four-cell embryo, digital illustration. — Stock Photo
    Human four-cell embryo, digital illustration.
    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.
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Marsh marigold carpel — Stock Photo
    Marsh marigold carpel
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.