It's possible in the very beginning, but remember that not getting your period is a symptom (and kind of required). You may experience light bleeding in the first few days, but that is not a period by definition.
However, it's possible to not feel the nausea and loss of appetite that many women experience. And if that's you - you are very lucky!
it is possible
no
Yes, it is possible.
yes
It is not possible to spay a pregnant dog without killing the unborn puppies.
If you have some symptoms than it could be possible.
If you are on/had your period your probably not pregnant, but do a pregnancy test to be sure.
It is possible to have a fake pregnancy, where you want so badly to be pregnant, that your body recreates all the symptoms of pregnancy.
Yes. The symptoms can be due to normal illnesses or to hormone fluctuation.
It's possible to have a period and still be pregnant
If you're not taking the pill, it's always possible to get pregnant, fake symptoms or not.
It is possible to be pregnant if you are still having your period. Its not unheard of for women not to notice until they are well into the pregnancy.