No they don't get fatter they just get a little baby bump.
When in create a sim, move the weight slider all the way to the right, until it is as big as they can get.
They get a lot fatter.
Fatter than a non pregnant tetra.
When they look fatter then usual?Your hamster starts making a nest. They also get fatter.
Your Sim can get pregnant throughout the time that it is an adult. However it cannot get pregnant the last three or so days of its adulthood. A male elder Sim can sometimes get an adult female Sim pregnant, but it is a much smaller chance of the Sim getting pregnant. Hope this helps!
if it looks fatter
no ur sim cant get pregnant, hope this help's :)
yes
You actually can not get a Sim pregnant in Sims 2 Pets.
Yes Vampire Sims can become pregnant in the sims 3. In fact vampirism is genetic in sims 3. eg: Sim+Vampire= Sim/Sim/Vampire/Vampire Sim+Sim=Sim Vampire+Vampire=Vampire
Your bird will get fatter and take ginormous poops!
About three days.