Baby's Length: 4.5-5 in
Baby's Weight: 2.5- 3 oz..
Baby's Size: Rubber Ducky
From now on, your baby may start to get the hiccups every once in a while, triggered by the involuntary movements of his diaphragm. (In adults, this is followed by the quick closure of our vocal cords, which is what makes that familiar "hic" sound.) But because your baby's trachea is filled with fluid instead of air, his fetal hiccups don't make a sound. By the sixth month, you'll actually be able to feel your baby's hiccups as they happen. They'll make your belly jump, which is so fun to see and feel!
And your little guy -- now about 4 ounces and over 4-1/2 inches long -- is becoming quite expressive these days. His facial muscles are sophisticated enough for him to squint, frown, or smirk -- although these motions aren't actually linked to any internal emotions he's feeling. By the way, if you're having a girl, hundreds of thousands of eggs are forming in her ovaries this week -- your future grandchildren!All these facts come from Parents.com. Hope you enjoyed them as much as I did!