Ecology, Evolution and Genetics. Solutions to many of the world's most pressing environmental issues require a basic understanding of nature at the organismal, population and ecosystems level.
Average. On average, women start to show around the fourth month of pregnancy, between weeks 14 and 17. By week 17 the uterus usually has expanded to just an inch and a half below the navel, making the pregnancy more obvious.
I'd say I properly started to show about around 20 weeks, but it may just be because I started to want to show off my bump and so wore slightly tighter clothes so you could see it. This is my first baby though, and I'm about 5ft 8 tall, so that might make a difference to how obvious your bump is. 07-03-11, 11:47 #11.