Yes it is.
If you're pregnant, you're pregnant. It happens reasonably fast; the process doesn't hang about for a week or so.
coul be possible to to be a 1st week pregnant even you experienced a yellowish brown discharge?
Yes
no
Yes! It's also possible for him to get a mouse pregnant just after she gives birth too.
for 1 week!
You can get pregnant at any time. Including during your period.
in a few days or in 1 week
Yes it is possible.
It's possible to get pregnant even while on birth control pills. Not taking them on time greatly increases your chance of pregnancy.
If you have some symptoms than it could be possible.