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  2. Amniotic fluid - Wikipedia

    en.wikipedia.org/wiki/Amniotic_fluid

    The amniotic fluid is the protective liquid contained by the amniotic sac of a gravid amniote. This fluid serves as a cushion for the growing fetus, but also serves to facilitate the exchange of nutrients, water, and biochemical products between mother and fetus. For humans, the amniotic fluid is commonly called water or waters (Latin liquor ...

  3. Bromothymol blue - Wikipedia

    en.wikipedia.org/wiki/Bromothymol_blue

    Amniotic fluid typically has a pH > 7.2, bromothymol will therefore turn blue when brought in contact with fluid leaking from the amnion. As vaginal pH normally is acidic, the blue color indicates the presence of amniotic fluid.

  4. Fetal membranes - Wikipedia

    en.wikipedia.org/wiki/Fetal_membranes

    The fetal membranes separate maternal tissue from fetal tissue at a basic mechanical level. The fetal membrane is composed of a thick cellular chorion covering a thin amnion composed of dense collagen fibrils. The amnion is in contact with the amniotic fluid and ensures structural integrity of the sac due to its mechanical strength.

  5. Gestational sac - Wikipedia

    en.wikipedia.org/wiki/Gestational_sac

    The gestational sac is spherical in shape, and is usually located in the upper part (fundus) of the uterus.By approximately nine weeks of gestational age, due to folding of the trilaminar germ disc, the amniotic sac expands and occupy the majority of the volume of the gestational sac, eventually reducing the extraembryonic coelom (the gestational sac or the chorionic cavity) to a thin layer ...

  6. Amniotic sac - Wikipedia

    en.wikipedia.org/wiki/Amniotic_sac

    Amniotic cavity in human embryo 1.3 mm. long. The amniotic cavity is the closed sac between the embryo and the amnion, containing the amniotic fluid. The amniotic cavity is formed by the fusion of the parts of the amniotic fold, which first makes its appearance at the cephalic extremity and subsequently at the caudal end and sides of the embryo ...

  7. Mom who was dead for 45 minutes during child birth wakes up ...

    www.aol.com/news/mom-dead-45-minutes-during...

    Amniotic fluid normally enters the mother’s bloodstream during birth but allergic reactions only occur in 2.5 for every 100,000 births or 1 in 40,000 in the United States.

  8. Prelabor rupture of membranes - Wikipedia

    en.wikipedia.org/wiki/Prelabor_rupture_of_membranes

    Amniotic fluid is mildly basic (pH 7.1–7.3) compared to normal vaginal secretions which are acidic (pH 4.5–6). [10] Basic fluid, like amniotic fluid, will turn the nitrazine paper from orange to dark blue. [9] Fern test: A sterile cotton swab is used to collect fluid from the vagina and place it on a microscope slide.

  9. Cervical effacement - Wikipedia

    en.wikipedia.org/wiki/Cervical_effacement

    Certain amniotic fluid colors can indicate fetal distress, which is why it is important for the obstetrician or midwife to check the color. Membrane Stripping [ 9 ] [ 29 ] Membrane stripping, otherwise known as membrane sweeping, is a procedure where the obstetrician inserts a finger into the cervix and moves in a sweeping motion to detach the ...