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    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    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.
    View of fetus at 20 weeks — Stock Photo
    View of fetus at 20 weeks
    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
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Pregnant and sad woman covering face — Stock Photo
    Pregnant and sad woman covering face
    Illustration of red human embryo on black background at pregnancy stage of week 33. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 33.
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    Ostrich nest with eggs on ground in Tanzania. — Stock Photo
    Ostrich nest with eggs on ground in Tanzania.
    Illustration of red human embryo on black background at pregnancy stage of week 38. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 38.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Illustration of silhouette of pregnant woman and 31 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 31 week foetus.
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Illustration of silhouette of pregnant woman and 37 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 37 week foetus.
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Illustration of human silhouette with inflamed uterus. — Stock Photo
    Illustration of human silhouette with inflamed uterus.
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Fungal fruiting bodies, digital illustration. — Stock Photo
    Fungal fruiting bodies, digital illustration.
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Molecular model of follicle-stimulating hormone. — Stock Photo
    Molecular model of follicle-stimulating hormone.
    Illustration of human foetus on week 27 term. — Stock Photo
    Illustration of human foetus on week 27 term.
    3d illustration of in vitro fertilization of egg cell. — Stock Photo
    3d illustration of in vitro fertilization of egg cell.
    Computer illustration of unicellular yeast fungus Candida auris. — Stock Photo
    Computer illustration of unicellular yeast fungus Candida auris.
    Female doctor in blue uniform and sterile mask examining unrecognizable patient on gynecological chair in fertility clinic — Stock Photo
    Female doctor in blue uniform and sterile mask examining unrecognizable patient on gynecological chair in fertility clinic
    Cryogenic human egg storage for In vitro fertilisation . — Stock Photo
    Cryogenic human egg storage for In vitro fertilisation .
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Illustration of transparent cells with splitting nuclei, cell membrane and visible chromosomes. — Stock Photo
    Illustration of transparent cells with splitting nuclei, cell membrane and visible chromosomes.
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    View of Fetus at 29 weeks — Stock Photo
    View of Fetus at 29 weeks
    Digital illustration showing vaginitis caused by Candida albicans fungus and close-up of yeast cells. — Stock Photo
    Digital illustration showing vaginitis caused by Candida albicans fungus and close-up of yeast cells.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Human embryonic stem cell, digital illustration. — Stock Photo
    Human embryonic stem cell, digital illustration.
    Illustration of human foetus on week 37 term. — Stock Photo
    Illustration of human foetus on week 37 term.
    Human fetus developing at week 12, computer illustration. — Stock Photo
    Human fetus developing at week 12, computer illustration.
    Human Embryo at 5 weeks — Stock Photo
    Human Embryo at 5 weeks
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    Human fetus developing at week 31, computer illustration. — Stock Photo
    Human fetus developing at week 31, computer illustration.
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Pregnant woman sitting on sofa — Stock Photo
    Pregnant woman sitting on sofa
    Illustration of red human embryo on black background at pregnancy stage of week 15. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 15.
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Coloured scanning electron micrograph (SEM) of Mould, hyphae, conidiophores (fruiting structures) and conidium (asexual spore) formation (Penicillium sp.;likely Penicillum candidum). — Stock Photo
    Coloured scanning electron micrograph (SEM) of Mould, hyphae, conidiophores (fruiting structures) and conidium (asexual spore) formation (Penicillium sp.;likely Penicillum candidum).
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Illustration of silhouette of pregnant woman and 36 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 36 week foetus.
    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).
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining pregnant woman and looking at computer screen in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining pregnant woman and looking at computer screen in hospital
    Human embryonic stem cells in Petri dish, digital illustration. — Stock Photo
    Human embryonic stem cells in Petri dish, digital illustration.
    Queen bee cones in honeycomb — Stock Photo
    Queen bee cones in honeycomb
    Pollen grains from different plants, computer illustration — Stock Photo
    Pollen grains from different plants, computer illustration
    Fungus releasing spores, computer illustration — Stock Photo
    Fungus releasing spores, computer illustration
    Human sperm cells and egg cell — Stock Photo
    Human sperm cells and egg cell
    Human fetus developing at week 4, computer illustration. — Stock Photo
    Human fetus developing at week 4, computer illustration.
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) in the act of spawning in an Alaskan stream during autumn; Alaska, United States of America — Stock Photo
    Coho Salmon, also known as Silver Salmon (Oncorhynchus kisutch) in the act of spawning in an Alaskan stream during autumn; Alaska, United States of America
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Surface of a fallopian tube — Stock Photo
    Surface of a fallopian tube
    Transparent cells on grey background, digital illustration. — Stock Photo
    Transparent cells on grey background, digital illustration.
    Computer illustration of yeast and hyphae stages of Candida fungi — Stock Photo
    Computer illustration of yeast and hyphae stages of Candida fungi