24+ Baby Anterior Fontanelle Sunken Images. The anterior fontanel should curve slightly inwards but remain relatively firm. Sometimes it can bulge slightly (such as when baby cries), and less often, it can appear to be signs of a sunken fontanelle or sunken soft spot.
Science Of The Soft Spot The Anterior Fontanelle Part 1 from i.ytimg.com In some cases, the dip may be very pronounced and noticeable. Sunken fontanelles are an obvious curving in of the soft spot in an infant's head. The anterior fontanelle is the largest soft spot.
However, while a sunken fontanelle can occur when your baby is severely dehydrated there are many other signs of dehydration that happen before a fontanelle becomes sunken, such as fewer wet nappies and being less alert and responsive.
It is in the upper, front portion of your baby's head at the junction of three different sutures. A sunken fontanelle occurs when the soft spot on a baby's skull becomes more deep set than usual. The most common causes of a large anterior fontanel or delayed fontanel closure are achondroplasia, hypothyroidism, down syndrome, increased intracranial pressure, and rickets. It is not always visible, particularly under hair.
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