 [ Symptoms ] for the last month i have had pain on both sides of my ribs on the back side [ Disease ] baby  your baby measures about 7 2 inches from crown to rump and weighs about 10 5 ounces the fetus is steadily gaining fat to keep warm growth rate is slowing down but organ systems like digestion are continuing to mature a waxy film called the vernix caseosa is being produced by your baby is oil glands and covers the skin to keep it supple in the amniotic fluid buds for permanent teeth are beginning to form mom to be  friends relatives even strangers can probably tell you are pregnant by now your uterus is starting to extend above your navel you have probably gained between 10 and 14 pounds by now tip for the week  start looking into childbirth classes if you have not already