page_title: Uterine natural killer cells
hierarchical_section_title: Uterine natural killer cells
caption_attribution_description: English: Electron microscopic image of a single human lymphocyte. Type: Black &amp; White Print
context_page_description: Uterine natural killer cells make up approximately 70% of maternal lymphocytes during pregnancy, occupying both the decidua basalis of the endometrium at the implantation site and the mesometrial lymphoid aggregate of pregnancy that surrounds the blood vessels supplying the placenta. This number is at its peak in early pregnancy but declines at parturition.
context_section_description: Uterine natural killer (uNK) cells make up approximately 70% of maternal lymphocytes during pregnancy, occupying both the decidua basalis of the endometrium at the implantation site and the mesometrial lymphoid aggregate of pregnancy (MLAp) that surrounds the blood vessels supplying the placenta. This number is at its peak in early pregnancy but declines at parturition.
caption: SEM Lymphocyte (uNK cells during pregnancy comprise 70% of lymphocytes)
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