 [ Symptoms ] how can you determine a high ferritin serum level other than a blood test or liver biopsy i have no insurance [ Disease ] baby  your baby now about in its 22nd week of development is 8 4 inches from crown to rump and weighs about 1 2 pounds it is starting to produce white blood cells mostly for combating disease and infection and may respond to your touch or sounds if you have not felt hiccups yet you might feel some jerking motion now mom to be  your uterus is about 1 5 to 2 inches above your navel expect to gain about a pound per week this month glucose screens for detecting gestational diabetes are given between this week and 28 weeks tip of the week  dad to be might be able to hear the baby is heartbeat by putting his ear to your abdomen