Postmature Baby

Postmature Baby
Figure 1.2. Pigmentation of the areola of the nipple in a newborn infant. Pigmentation is more marked in black infants.

Figure 1.3. Pigmentation at the base of the nails in a black infant. There may be little pigmentation of the skin in general at birth, but the finding of pigmentation at the base of the nails, pinnae of the ears, axilla, areolae of the nipples, genitalia, and a prominent linea nigra would all suggest that the infant is a black infant.

Figure 1.4. Linea nigra and pigmentation of the skin and genitalia in a black female infant. Linea nigra is the line of increased pigmentation extending from the umbilicus to the more darkly pigmented genitalia. This area of benign pigmentation becomes less prominent as the baby's skin darkens. In this postmature infant note the area of lack of pigmentation in both groins.

Figure 1.5. The same infant as in Figure 1.4 with her thighs adducted. Note that the areas lacking pigmentation in the groins correspond to the area protected in utero by adduction of the lower limbs.

Figure 1.6. Vernix caseosa present in a term infant at birth. The vernix caseosa is a fetal product of the sebaceous glands, shed epithelial cells, and hair. It is cheesy-white in appearance and may be liberally caked all over the skin or concentrated in folds like the groins and genitalia, the axilla, or behind the ears. Its presence suggests that the infant is close to term as the vernix disappears with increasing gestational age. The vernix normally is white in color but can alter to a golden-yellow in infants that are meconium-stained from fetal distress or in infants with erythroblastosis fetalis.

Figure 1.4. Linea nigra and pigmentation of the skin and genitalia in a black female infant. Linea nigra is the line of increased pigmentation extending from the umbilicus to the more darkly pigmented genitalia. This area of benign pigmentation becomes less prominent as the baby's skin darkens. In this postmature infant note the area of lack of pigmentation in both groins.

Genitalia Baby
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Responses

  • Brigitte
    How genital skin gets black?
    7 years ago
  • serena
    When will i get a linea nigra?
    7 years ago
  • mark
    What should an female infant's genitals look like?
    7 years ago
  • debra
    How to grow africaian american baby's hair.?
    7 years ago

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