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  2. Preterm birth - Wikipedia

    en.wikipedia.org/wiki/Preterm_birth

    He was 128 days premature, 21 weeks 5 days gestation, and weighed 624 g (1 lb 6 oz). He survived. [210] [211] In 2014, Lyla Stensrud, born in San Antonio, Texas, U.S., became the youngest premature baby in the world. She was born at 21 weeks 4 days and weighed 410 grams (less than a pound). Kaashif Ahmad resuscitated the baby after she was born.

  3. Timeline of human prenatal development - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_human_prenatal...

    Gestational age: 6 weeks and 0 days until 6 weeks and 6 days old. 43–49 days from last menstruation. Embryonic age: Week nr 5. 4 weeks old. 29–35 days from fertilization. The embryo measures 8 mm (0.31 in) in length and weighs about 1 gram. [4] Optic vesicles and optic cups form the start of the developing eye. Nasal pits form.

  4. Fetal viability - Wikipedia

    en.wikipedia.org/wiki/Fetal_viability

    As of 2022, the world record for the lowest gestational age newborn to survive is held by Curtis Zy-Keith Means, who was born on 5 July 2020 in the United States, at 21 weeks and 1 day gestational age, weighing 420 grams. [5] A preterm birth, also known as premature birth, is defined as babies born alive before 37 weeks of pregnancy are ...

  5. Gestational age - Wikipedia

    en.wikipedia.org/wiki/Gestational_age

    A fetus born prior to the 37th week of gestation is considered to be preterm. A preterm baby is likely to be premature and consequently faces increased risk of morbidity and mortality. An estimated due date is given by Naegele's rule. According to the WHO, a preterm birth is defined as "babies born alive before 37 weeks of pregnancy are completed."

  6. Gravidity and parity - Wikipedia

    en.wikipedia.org/wiki/Gravidity_and_parity

    “Gravidity” is an important component of a patient’s reproductive history, as it provides insight into the risk factors that the patient has for pregnancy outcomes, such as risk for gestational diabetes, pre-ecclampsia, spontaneous abortion, preterm birth, fetal growth restriction, and more. [5]

  7. List of ICD-9 codes 760–779: certain conditions originating ...

    en.wikipedia.org/wiki/List_of_ICD-9_codes_760...

    Complications of Pregnancy, Childbirth, and the Puerperium XII 680–709: Diseases of the Skin and Subcutaneous Tissue XIII 710–739: Diseases of the Musculoskeletal System and Connective Tissue XIV 740–759: Congenital Anomalies XV 760–779: Certain Conditions originating in the Perinatal Period XVI 780–799: Symptoms, Signs and Ill ...

  8. Gestation - Wikipedia

    en.wikipedia.org/wiki/Gestation

    Labor occurring prior to 37 weeks gestation is considered preterm labor and can result from multiple factors, including previous preterm deliveries. [7] [8] Prenatal care is important for the maintenance of a healthy pregnancy and surveillance of related complications. In high-income countries, prenatal care typically involves monthly visits ...

  9. Estimated date of delivery - Wikipedia

    en.wikipedia.org/wiki/Estimated_date_of_delivery

    A median of 288 days (274 days from the date of ovulation) for first-time mothers and 283 days (269 days from the date of ovulation) for mothers with at least one previous pregnancy was found by a 1990 study of 114 white, private-care patients with uncomplicated pregnancies and spontaneous labor. The authors suggest that excluding pregnancies ...