Yes. The earlier the girl gets an ultrasound, the more accurate the doctor's estimate.
a few days a month.
a girl can get pregnant anytime, the whole "this many days before or this many days after my period i cant get pregnant" is a myth, shes just as likely to get pregnant no matter when her period was. you should always use birth control if you are not ready for a baby.
2 days
Most doctors get 5-6 weeks of vacations.
1 month and 2 days.
27 days
That alone is not a confirmation of being pregnant. A girl may skip her period for too many reasons. But yes a pregnant girl does miss her period.
If you are 76 days pregnant, you have about 28 weeks to go.
yes. pre-cum contains sperm and can get a girl pregnant. use contraception! There are many many methods.
Look
You are almost a whole month pregnant!
5months