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.
Every pregnancy is different.You may start having a few symptoms (i.e. breast tenderness,possibly frequent urination) as early as 2 weeks into the pregnancy or symptoms might â¦ show up much later.Some women experience little or no symptoms at all.