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  2. Simple file verification - Wikipedia

    en.wikipedia.org/wiki/Simple_file_verification

    SFV cannot be used to verify the authenticity of files, as CRC32 is not a collision resistant hash function; even if the hash sum file is not tampered with, it is computationally trivial for an attacker to cause deliberate hash collisions, meaning that a malicious change in the file is not detected by a hash comparison.

  3. Obstetric ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Obstetric_ultrasonography

    Obstetric ultrasonography, or prenatal ultrasound, is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb).

  4. Montevideo units - Wikipedia

    en.wikipedia.org/wiki/Montevideo_units

    Montevideo units are a method of measuring uterine performance during labor.They were created in 1949 by two physicians, Roberto Caldeyro-Barcia and Hermogenes Alvarez, from Montevideo, Uruguay.

  5. Vibroacoustic stimulation - Wikipedia

    en.wikipedia.org/wiki/Vibroacoustic_stimulation

    In 2013, the Cochrane Database of Systematic Reviews concluded that there was insufficient evidence from randomized trials to support its use to assess fetal well-being in labor. [3] A related Cochrane Review, however, concluded that its use in antenatal testing did reduce the incidence of non-reactive cardiotocography and the overall testing time.

  6. Pregnancy test - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_test

    A pregnancy test is used to determine whether a female is pregnant or not. The two primary methods are testing for the female pregnancy hormone ( human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography . [ 1 ]

  7. Instruments used in obstetrics and gynecology - Wikipedia

    en.wikipedia.org/wiki/Instruments_used_in...

    - Used in Premalignant lesions of the cervix. Its provides a specimen. Uterine dressing forceps: FemCerv Endocervical Sampler: The FDA cleared disposable FemCerv endocervical Sampler can be used to biopsy the endocervical canal during colposcopyor the evaluation of abnormal uterine bleeding. FemCerv is intended to collect a 360° Endocervical ...

  8. Medical calculator - Wikipedia

    en.wikipedia.org/wiki/Medical_calculator

    Medical calculators arose because modern medicine makes frequent use of scores and indices that put physicians' memory and calculation skills to the test. [2] The advent of personal computers, the Internet and Web, and more recently personal digital assistants (PDAs) have formed an environment conducive to their development, spread and use.

  9. Calendar-based contraceptive methods - Wikipedia

    en.wikipedia.org/wiki/Calendar-based...

    A woman whose menstrual cycles ranged in length from 30 to 36 days would be estimated to be infertile for the first 11 days of her cycle (30-19=11), to be fertile on days 12–25, and to resume infertility on day 26 (36-10=26). When used to avoid pregnancy, such fertility awareness-based methods have a typical-use failure rate of 25% per year. [18]