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  2. Vaginal delivery - Wikipedia

    en.wikipedia.org/wiki/Vaginal_delivery

    Sequence of images showing the stages of a normal vaginal delivery (NVD) Sequence of images showing stages of an instrumental vaginal delivery. A vaginal delivery is the birth of offspring in mammals (babies in humans) through the vagina (also called the "birth canal"). [1] It is the most common method of childbirth worldwide. [2]

  3. Childbirth - Wikipedia

    en.wikipedia.org/wiki/Childbirth

    These physicians and surgeons variously provide care across the whole spectrum of normal and abnormal births and pathological labour conditions. Categorically specialised obstetricians are qualified surgeons, so they can undertake surgical procedures relating to childbirth. Some family practitioners or general practitioners also perform ...

  4. List of ICD-9 codes 630–679: complications of pregnancy ...

    en.wikipedia.org/wiki/List_of_ICD-9_codes_630...

    650 Normal delivery; 651 Multiple gestation. 651.0 Twins, unspec. 651.1 Triplets, unspec. 652 Malposition and malpresentation of fetus; 653 Disproportion; 654 Abnormality of organs and soft tissues of pelvis; 655 Known or suspected fetal abnormality affecting management of mother. 655.73 Fetal movements, decreased, antepartum

  5. Wiener process - Wikipedia

    en.wikipedia.org/wiki/Wiener_process

    A single realization of a one-dimensional Wiener process A single realization of a three-dimensional Wiener process. In mathematics, the Wiener process (or Brownian motion, due to its historical connection with the physical process of the same name) is a real-valued continuous-time stochastic process discovered by Norbert Wiener.

  6. Umklapp scattering - Wikipedia

    en.wikipedia.org/wiki/Umklapp_scattering

    Normal process (N-process) and Umklapp process (U-process). While the N-process conserves total phonon momentum, the U-process changes phonon momentum. Figure 2.: k -vectors exceeding the first Brillouin zone (red) do not carry more information than their counterparts (black) in the first Brillouin zone.