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    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Illustration of silhouette of pregnant woman with visible uterus and 16 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 16 cell stage embryo.
    View of Fetus at 29 weeks — Stock Photo
    View of Fetus at 29 weeks
    Male reproductive system — Stock Photo
    Male reproductive system
    View of Fetus at 6 weeks — Stock Photo
    View of Fetus at 6 weeks
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Human fetus developing at week 31, computer illustration. — Stock Photo
    Human fetus developing at week 31, 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.
    Illustration of silhouette of pregnant woman and 27 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 27 week foetus.
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    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.
    Human fetus developing at week 8, computer illustration. — Stock Photo
    Human fetus developing at week 8, computer illustration.
    View of Full-term fetus — Stock Photo
    View of Full-term fetus
    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.
    Human fetus developing at week 20, computer illustration. — Stock Photo
    Human fetus developing at week 20, computer illustration.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    View of Fetus at 13 weeks — Stock Photo
    View of Fetus at 13 weeks
    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.
    Illustration of silhouette of pregnant woman and 28 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 28 week foetus.
    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.
    Magnified digital illustration of fertilisation of egg cell. — Stock Photo
    Magnified digital illustration of fertilisation of egg cell.
    View of Full-term fetus — Stock Photo
    View of Full-term fetus
    Human fetus developing at week 14, computer illustration. — Stock Photo
    Human fetus developing at week 14, computer illustration.
    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.
    Human fetus developing at week 35, computer illustration. — Stock Photo
    Human fetus developing at week 35, computer illustration.
    Illustration of silhouette of pregnant woman and 34 week foetus. — Stock Photo
    Illustration of silhouette of pregnant woman and 34 week foetus.
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of HIV infecting 8 week human embryo, conceptual illustration.
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    View of Fetus at 31 weeks — Stock Photo
    View of Fetus at 31 weeks
    Dividing bacteria on tissue surface — Stock Photo
    Dividing bacteria on tissue surface
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    View of Fetus at 12 weeks — Stock Photo
    View of Fetus at 12 weeks
    Green surface and rocks of dirty river with harmful algae blooms — Stock Photo
    Green surface and rocks of dirty river with harmful algae blooms
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation — Stock Photo
    Computer illustration showing human hair with dandruff and close-up view of microscopic fungi Malassezia furfur associated with seborrhoeic dermatitis and dandruff formation
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Human two-cell embryo, digital illustration. — Stock Photo
    Human two-cell embryo, digital illustration.
    Human sperm and egg — Stock Photo
    Human sperm and egg
    Human multi-cellular embryo — Stock Photo
    Human multi-cellular embryo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Illustration of human foetus on week 11 term. — Stock Photo
    Illustration of human foetus on week 11 term.
    View of Fetus at 34 weeks — Stock Photo
    View of Fetus at 34 weeks
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Female scientist looking in microscope in in vitro fertilisation laboratory. — Stock Photo
    Female scientist looking in microscope in in vitro fertilisation laboratory.
    Fungal fruiting bodies, digital illustration. — Stock Photo
    Fungal fruiting bodies, digital illustration.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    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
    Tiger lily pollen — Stock Photo
    Tiger lily pollen
    3d digital illustration of unicellular yeast fungus Candida auris. — Stock Photo
    3d digital illustration of unicellular yeast fungus Candida auris.
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Digital illustration showing vaginitis caused by Candida auris fungus and close-up of yeast cells. — Stock Photo
    Digital illustration showing vaginitis caused by Candida auris fungus and close-up of yeast cells.
    Conceptual digital illustration of human blastocyst on needle tip. — Stock Photo
    Conceptual digital illustration of human blastocyst on needle tip.
    Male Bluegill Triggerfish (Xanthichthys auromarginatus) with an erect spinous dorsal fin photographed under water off Maui, Hawaii, USA. He was circling above his prepared spawning area suggesting that this is a courtship display; Maui, Hawaii, Unite — Stock Photo
    Male Bluegill Triggerfish (Xanthichthys auromarginatus) with an erect spinous dorsal fin photographed under water off Maui, Hawaii, USA. He was circling above his prepared spawning area suggesting that this is a courtship display; Maui, Hawaii, Unite
    Female copepod with eggs — Stock Photo
    Female copepod with eggs
    Human embryo cell, digital illustration. — Stock Photo
    Human embryo cell, digital illustration.
    Illustration of human foetus on week 28 term. — Stock Photo
    Illustration of human foetus on week 28 term.
    Uterus in female body, anatomical computer illustration. — Stock Photo
    Uterus in female body, anatomical computer illustration.