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  2. Obstetric ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Obstetric_ultrasonography

    The heartbeat is usually seen on transvaginal ultrasound by the time the embryo measures 5 mm, but may not be visible until the embryo reaches 19 mm, around 7 weeks' gestational age. [5] [11] [12] Coincidentally, most miscarriages also happen by 7 weeks' gestation. The rate of miscarriage, especially threatened miscarriage, drops significantly ...

  3. Anomaly scan - Wikipedia

    en.wikipedia.org/wiki/Anomaly_scan

    The anomaly scan, also sometimes called the anatomy scan, 20-week ultrasound, or level 2 ultrasound, evaluates anatomic structures of the fetus, placenta, and maternal pelvic organs. This scan is an important and common component of routine prenatal care . [ 1 ]

  4. Fetal viability - Wikipedia

    en.wikipedia.org/wiki/Fetal_viability

    A baby's chances for survival increases 3 to 4 percentage points per day between 23 and 24 weeks of gestation, and about 2 to 3 percentage points per day between 24 and 26 weeks of gestation. After 26 weeks the rate of survival increases at a much slower rate because survival is high already. [ 16 ]

  5. List of abbreviations used in medical prescriptions - Wikipedia

    en.wikipedia.org/wiki/List_of_abbreviations_used...

    twice a week BM bowel movement: commonly used in the United Kingdom when discussing blood sugar. From BM Stix – the measurement sticks used for calculating blood sugar; BM being an abbreviation of Boehringer Mannheim. [8] BNF British National Formulary bol. bolus: as a large single dose (usually intravenously) BP, Ph.Br.

  6. List of words having different meanings in American and ...

    en.wikipedia.org/wiki/List_of_words_having...

    piece of cloth or paper used to protect garments, (typically sanitary napkin) absorbent piece of material worn by a woman while menstruating *(UK usu. sanitary towel) [14] [15] [16] [19] nappy folded cloth or other absorbent material drawn up between the legs and fastened around the waist, usu. worn by infants to counter incontinence (US ...

  7. Opposite - Wikipedia

    en.wikipedia.org/wiki/Opposite

    An antonym is one of a pair of words with opposite meanings. Each word in the pair is the antithesis of the other. A word may have more than one antonym. There are three categories of antonyms identified by the nature of the relationship between the opposed meanings.

  8. ISO week date - Wikipedia

    en.wikipedia.org/wiki/ISO_week_date

    27 week years are 5 days longer than the month years (371 − 366), 6.75%. 44 week years are 6 days longer than the month years (371 − 365), 11%. 70 week years are 2 days shorter than the month years (364 − 366), 17.5%. 259 week years are 1 day shorter than the month years (364 − 365), 64.75%. The table shows the long years in a 400-year ...

  9. Converse (semantics) - Wikipedia

    en.wikipedia.org/wiki/Converse_(semantics)

    In linguistics, converses or relational antonyms are pairs of words that refer to a relationship from opposite points of view, such as parent/child or borrow/lend. [ 1 ] [ 2 ] The relationship between such words is called a converse relation . [ 2 ]