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Mother's size: From the pubic symphysis measures approximately 14.5 inches (36cm) to the top of your uterus. If you measure from your bellybutton, it’s more than 5.5 inches (14cm) to the top of your uterus.
Abdomen
Body is round and plump as new fat stores are made to keep the body temperature at about 0.3 degrees C to 0.5 degrees C above maternal temperature.(1) Fetus turns toward light sources in what is known as the orienting response. Intestines accumulate a considerable amount of meconium which is usually eliminated shortly after birth. If birth is delayed, the fecal material will appear in the amniotic fluid.
Limbs
Space limitation continues to restrict fetal movement. Limbs are bent and drawn close to body. Bones are flexible and ossification, hardening, progresses. At birth the tibia, the longer of the two bones in the lower leg, is usually completely ossified into bone.
(1) Fetal and neonatal thermoregulation.; J Nippon Med Sch. 2004 Dec;71(6):360-70.
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