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    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    View of Fetus at 7 weeks — Stock Photo
    View of Fetus at 7 weeks
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    View of ultrasound scanner with pregnant woman begin exterminate in modern hospital — Stock Photo
    View of ultrasound scanner with pregnant woman begin exterminate in modern hospital
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    Smooth hawksbeard (Crepis capillaris) seed, coloured scanning electron micrograph (SEM). — Stock Photo
    Smooth hawksbeard (Crepis capillaris) seed, coloured scanning electron micrograph (SEM).
    Human four-cell embryo, digital illustration. — Stock Photo
    Human four-cell embryo, digital illustration.
    Dust mites on cotton strands — Stock Photo
    Dust mites on cotton strands
    View of Fetus at 6 weeks — Stock Photo
    View of Fetus at 6 weeks
    Human sperm cells — Stock Photo
    Human sperm cells
    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.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    View of fetus at 39 weeks — Stock Photo
    View of fetus at 39 weeks
    Illustration of human foetus on week 11 term. — Stock Photo
    Illustration of human foetus on week 11 term.
    View of Fetus at 36 weeks — Stock Photo
    View of Fetus at 36 weeks
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Cross-section through a fallopian tube — Stock Photo
    Cross-section through a fallopian tube
    Frontal illustration of blue silhouette of obese woman with highlighted uterus on black background. — Stock Photo
    Frontal illustration of blue silhouette of obese woman with highlighted uterus on black background.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    View of Fetus at 29 weeks — Stock Photo
    View of Fetus at 29 weeks
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Ovarian cancer cells, coloured scanning electron micrograph. — Stock Photo
    Ovarian cancer cells, coloured scanning electron micrograph.
    Gonorrhoea infection causing by bacteria Neisseria gonorrhoeae in male organ while urethritis, digital illustration. — Stock Photo
    Gonorrhoea infection causing by bacteria Neisseria gonorrhoeae in male organ while urethritis, digital illustration.
    Close-up of leaf beetle eggs attached to thin branch. — Stock Photo
    Close-up of leaf beetle eggs attached to thin branch.
    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.
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Illustration of human foetus on week 5 of pregnancy. — Stock Photo
    Illustration of human foetus on week 5 of pregnancy.
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Human fetus developing at week 12, computer illustration. — Stock Photo
    Human fetus developing at week 12, computer illustration.
    View of fetus at 7 weeks — Stock Photo
    View of fetus at 7 weeks
    Human fetus developing at week 40, computer illustration. — Stock Photo
    Human fetus developing at week 40, computer illustration.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Transparent sperm cells moving towards round blue coloured egg cell. — Stock Photo
    Transparent sperm cells moving towards round blue coloured egg cell.
    View of fetus at 8 weeks — Stock Photo
    View of fetus at 8 weeks
    Human fetus developing at week 19, computer illustration. — Stock Photo
    Human fetus developing at week 19, computer illustration.
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Human fetus developing at week 34, computer illustration. — Stock Photo
    Human fetus developing at week 34, computer illustration.
    Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection) — Stock Photo
    Kingella kingae bacteria, computer illustration. K. kingae is a Gram-negative coccobacillus that is part of the normal flora of children's throats. It can occasionally cause invasive disease, primarily osteomyelitis (bone infection)
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Human fetus developing at week 30, computer illustration. — Stock Photo
    Human fetus developing at week 30, computer illustration.
    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
    Female anatomical figure with detailed uterus, computer illustration. — Stock Photo
    Female anatomical figure with detailed uterus, computer illustration.
    Anemonefish eggs on seafloor — Stock Photo
    Anemonefish eggs on seafloor
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Pregnant woman with hand on tummy — Stock Photo
    Pregnant woman with hand on tummy
    Digital illustration of budding Saccharomyces cerevisiae yeast cells. — Stock Photo
    Digital illustration of budding Saccharomyces cerevisiae yeast cells.
    Female reproductive system — Stock Photo
    Female reproductive system
    View of fetus at 20 weeks — Stock Photo
    View of fetus at 20 weeks
    Malassezia skin fungus, computer illustration — Stock Photo
    Malassezia skin fungus, computer illustration
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Broom pollen grain — Stock Photo
    Broom pollen grain
    Illustration of human foetus on week 4 on blue background. — Stock Photo
    Illustration of human foetus on week 4 on blue background.