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  2. Fetus - Wikipedia

    en.wikipedia.org/wiki/Fetus

    Small breast buds are present in both sexes. Head hair becomes coarse and thicker. Birth is imminent and occurs around the 38th week after fertilization. The fetus is considered full-term between weeks 37 and 40 when it is sufficiently developed for life outside the uterus. [14] [15] It may be 48 to 53 cm (19 to 21 in) in length when born.

  3. Pregnancy - Wikipedia

    en.wikipedia.org/wiki/Pregnancy

    The third trimester is defined as starting, between the beginning of week 28 (27 weeks + 0 days of GA) [37] or beginning of week 29 (28 weeks + 0 days of GA). [4] It lasts until childbirth . Timeline of pregnancy, including (from top to bottom): Trimesters, embryo/fetus development, gestational age in weeks and months, viability and maturity stages

  4. Large for gestational age - Wikipedia

    en.wikipedia.org/wiki/Large_for_gestational_age

    Gestational age: pregnancies that go beyond 40 weeks increase incidence of an LGA infant [20] Fetal sex: male infants tend to weigh more than female infants [8] Multiparity: giving birth to previous LGA infants vs. non-LGA infants [8] Frozen embryo transfer as fertility treatment, as compared with fresh embryo transfer or no artificial ...

  5. Human embryonic development - Wikipedia

    en.wikipedia.org/wiki/Human_embryonic_development

    Human embryonic development covers the first eight weeks of development, which have 23 stages, called Carnegie stages. At the beginning of the ninth week, the embryo is termed a fetus (spelled "foetus" in British English). In comparison to the embryo, the fetus has more recognizable external features and a more complete set of developing organs.

  6. File:Views of a Foetus in the Womb detail.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Views_of_a_Foetus_in...

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  7. Human reproduction - Wikipedia

    en.wikipedia.org/wiki/Human_reproduction

    While in the uterus, the baby first endures a very brief zygote stage, then the embryonic stage, which is marked by the development of major organs and lasts for approximately eight weeks, then the fetal stage, which revolves around the development of bone cells while the fetus continues to grow in size. [19]

  8. Timeline of human prenatal development - Wikipedia

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

    The fetus reaches a length of about 40–48 cm (16–19 in). The fetus weighs about 2.5 to 3 kg (6 lb 10 oz)to 6 lb 12 oz). Lanugo begins to disappear. Body fat increases. Fingernails reach the end of the fingertips. A baby born at 36 weeks has a high chance of survival, but may require medical interventions. Fetus at 38 weeks after fertilization.

  9. Prenatal development - Wikipedia

    en.wikipedia.org/wiki/Prenatal_development

    The first ten weeks of gestational age is the period of embryogenesis and together with the first three weeks of prenatal development make up the first trimester of pregnancy. From the 10th week of gestation (8th week of development), the developing embryo is called a fetus.