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    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Human papilloma virus — Stock Photo
    Human papilloma virus
    Sperm cells, abstract digital illustration. — Stock Photo
    Sperm cells, abstract digital illustration.
    Abstract female body with visible uterus, digital illustration. — Stock Photo
    Abstract female body with visible uterus, digital 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)
    Transparent sperm cells moving towards round red colored egg cell, illustration. — Stock Photo
    Transparent sperm cells moving towards round red colored egg cell, illustration.
    Shape of pollen grains — Stock Photo
    Shape of pollen grains
    View of Fetus at 28 weeks — Stock Photo
    View of Fetus at 28 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.
    Human sperm cells — Stock Photo
    Human sperm cells
    Abstract female body with visible uterus, digital illustration. — Stock Photo
    Abstract female body with visible uterus, digital illustration.
    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.
    This Lei Triggerfish (Sufflamen bursa) with partially erected dorsal fin spines was photographed underwater just offshore of Kihei, Maui, Hawaii, USA. It is circling above a small area suggesting that this is a courtship display; Maui, Hawaii, United — Stock Photo
    This Lei Triggerfish (Sufflamen bursa) with partially erected dorsal fin spines was photographed underwater just offshore of Kihei, Maui, Hawaii, USA. It is circling above a small area suggesting that this is a courtship display; Maui, Hawaii, United
    Sperm fertilizing egg, digital illustration. — Stock Photo
    Sperm fertilizing egg, digital illustration.
    Illustration of human multi-cellular embryo. — Stock Photo
    Illustration of human multi-cellular embryo.
    Digital illustration of yeast and hyphae stages of Candida albicans fungus. — Stock Photo
    Digital illustration of yeast and hyphae stages of Candida albicans fungus.
    View of Fetus at 11 weeks — Stock Photo
    View of Fetus at 11 weeks
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant. — Stock Photo
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Side view of Happy pregnant woman — Stock Photo
    Side view of Happy pregnant woman
    View of Fetus at 5 weeks — Stock Photo
    View of Fetus at 5 weeks
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats — Stock Photo
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats
    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 33 weeks — Stock Photo
    View of Fetus at 33 weeks
    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
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Cryogenic human egg storage for In vitro fertilisation . — Stock Photo
    Cryogenic human egg storage for In vitro fertilisation .
    Medical illustration of female breast on white background — Stock Photo
    Medical illustration of female breast on white background
    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.
    View of Fetus at 6 weeks — Stock Photo
    View of Fetus at 6 weeks
    View of Embryo at 4 weeks — Stock Photo
    View of Embryo at 4 weeks
    Human fetus developing at week 33, computer illustration. — Stock Photo
    Human fetus developing at week 33, computer illustration.
    Human fetus developing at week 24, computer illustration. — Stock Photo
    Human fetus developing at week 24, computer illustration.
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Human embryo cell, digital illustration. — Stock Photo
    Human embryo cell, digital illustration.
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Cryogenic human egg storage for In vitro fertilisation . — Stock Photo
    Cryogenic human egg storage for In vitro fertilisation .
    Illustration of a 8 cell stage egg on black background. — Stock Photo
    Illustration of a 8 cell stage egg on black background.
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Eight-cell embryo — Stock Photo
    Eight-cell embryo
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Human fetus developing at week 10, computer illustration. — Stock Photo
    Human fetus developing at week 10, computer illustration.
    Female reproductive system, illustration. — Stock Photo
    Female reproductive system, illustration.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Illustration of human silhouette with inflamed uterus. — Stock Photo
    Illustration of human silhouette with inflamed uterus.
    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 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.
    Mating mandarinfish with eggs — Stock Photo
    Mating mandarinfish with eggs
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo.
    Illustration of human foetus on week 7 of pregnancy. — Stock Photo
    Illustration of human foetus on week 7 of pregnancy.
    Medical illustration of delivery of fetus using vacuum extraction — Stock Photo
    Medical illustration of delivery of fetus using vacuum extraction
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Pregnant and sad woman covering face — Stock Photo
    Pregnant and sad woman covering face
    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    View of Fetus at 7 weeks — Stock Photo
    View of Fetus at 7 weeks
    Computer illustration of unicellular yeast fungus Candida auris. — Stock Photo
    Computer illustration of unicellular yeast fungus Candida auris.
    Human Fertilisation, computer illustration — Stock Photo
    Human Fertilisation, computer illustration
    Immature dog sperm — Stock Photo
    Immature dog sperm