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 was about 16 or 17 weeks before my regular pants started to get tight, but it didn't take long after that for me to really start showing. By 20 weeks I was definitely showing not just looking chubby. Now I am 30 weeks and people think I am about ready to pop. I feel like I am too, lol. was about 16 or 17 weeks before my regular pants started to get tight, but it didn't take long after that for me to really start showing. By 20 weeks I was definitely showing not just looking chubby. Now I am 30 weeks and people think I am about ready to pop. I feel like I am too, lol.