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    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Three dimensional view of the female reproductive system — Stock Photo
    Three dimensional view of the female reproductive system
    Illustration of silhouette of pregnant woman and 9 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 9 week foetus.
    Illustration of red human embryo on black background at pregnancy stage of week 32. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 32.
    Sperm fertilizing egg, digital illustration. — Stock Photo
    Sperm fertilizing egg, digital illustration.
    Fallopian tube, TEM — Stock Photo
    Fallopian tube, TEM
    Illustration of red human embryo on black background at pregnancy stage of week 34. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 34.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Human sperm cells — Stock Photo
    Human sperm cells
    Illustration of human foetus on week 26 term. — Stock Photo
    Illustration of human foetus on week 26 term.
    View of Fetus at 7 weeks — Stock Photo
    View of Fetus at 7 weeks
    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).
    Illustration of human foetus on week 6 on black background. — Stock Photo
    Illustration of human foetus on week 6 on black background.
    Human fetus developing at week 9, computer illustration. — Stock Photo
    Human fetus developing at week 9, computer illustration.
    Abstract female body with visible uterus, digital illustration. — Stock Photo
    Abstract female body with visible uterus, digital illustration.
    Abstract fungus, scientific digital illustration. — Stock Photo
    Abstract fungus, scientific digital illustration.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Transparent cells on purple background, digital illustration. — Stock Photo
    Transparent cells on purple background, digital illustration.
    Abstract female body with visible uterus, digital illustration. — Stock Photo
    Abstract female body with visible uterus, digital illustration.
    View of fetus at 8 weeks — Stock Photo
    View of fetus at 8 weeks
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Illustration of human foetus on week 8 on black background. — Stock Photo
    Illustration of human foetus on week 8 on black background.
    Illustration of human foetus on week 25 term. — Stock Photo
    Illustration of human foetus on week 25 term.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Human sperm cells — Stock Photo
    Human sperm cells
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    France, Burgundy, Yonne. Area of Saint Fargeau and Boutissaint. Slab season. Stag in a meadow, at rest after belling. — Stock Photo
    France, Burgundy, Yonne. Area of Saint Fargeau and Boutissaint. Slab season. Stag in a meadow, at rest after belling.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Morel mushroom growing in forest soil. — Stock Photo
    Morel mushroom growing in forest soil.
    Pollen grains from different plants, computer illustration — Stock Photo
    Pollen grains from different plants, computer illustration
    Garibaldi fish near anemone — Stock Photo
    Garibaldi fish near anemone
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Mucosa structure of the cervix — Stock Photo
    Mucosa structure of the cervix
    Sperm cell, or spermatozoa — Stock Photo
    Sperm cell, or spermatozoa
    Abstract female body with visible uterus, digital illustration. — Stock Photo
    Abstract female body with visible uterus, digital illustration.
    Illustration of red human embryo on black background at pregnancy stage of week 16. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 16.
    German chamomile flower pollen grain — Stock Photo
    German chamomile flower pollen grain
    Pregnant woman with hands on tummy — Stock Photo
    Pregnant woman with hands on tummy
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization. — Stock Photo
    Human egg cell surrounded by numerous spermatozoa, digital illustration of fertilization.
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration.
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) in the act of spawning in an Alaska stream during the autumn; Alaska, United States of America — Stock Photo
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) in the act of spawning in an Alaska stream during the autumn; Alaska, United States of America
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Digital artwork of unicellular yeast fungus Candida auris. — Stock Photo
    Digital artwork of unicellular yeast fungus Candida auris.
    Four-cell embryo — Stock Photo
    Four-cell embryo
    Illustration of silhouette of pregnant woman and 36 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 36 week foetus.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Antelope buck and doe in a grass field during rut; South Dakota, United States of America — Stock Photo
    Antelope buck and doe in a grass field during rut; South Dakota, United States of America
    Medical illustration of fetus development — Stock Photo
    Medical illustration of fetus development
    View of fetus at 17 weeks — Stock Photo
    View of fetus at 17 weeks
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Human fetus developing at week 6, computer illustration. — Stock Photo
    Human fetus developing at week 6, computer illustration.
    France, Burgundy, Yonne. Area of Saint Fargeau and Boutissaint. Slab season. Stag striking its wood against the trunk of tree. — Stock Photo
    France, Burgundy, Yonne. Area of Saint Fargeau and Boutissaint. Slab season. Stag striking its wood against the trunk of tree.
    View of fetus at 26 weeks — Stock Photo
    View of fetus at 26 weeks
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Anatomical female body with uterine cancer, conceptual digital illustration. — Stock Photo
    Anatomical female body with uterine cancer, conceptual digital illustration.
    Medical illustration of fetus in the womb with labels — Stock Photo
    Medical illustration of fetus in the womb with labels