Â· just now. Report Abuse. Airtran to Jamaica is about 10 to 15 minutes depending upon where you board the Air Train. Trip from Jamaica to Penn is about 15 to 20 minutes depending how long your wait is at Jamiaca for a train.
For obvious reasons, it's usually easier to see if your baby is a boy.Moms-to-be who undergo amniocentesis -- a prenatal test that's used to check for certain genetic problems, usually around 16 weeks -- can also find out whether they're having a boy or a girl at that time.
Bear in mind that you may need a second ultrasound before you know for certain if all is well. If you are unsure of the first day of your last period you will be offered a dating ultrasound when you are between 10 and 14 weeks pregnant (SOGC 2003) . The main reason for the ultrasound is to work out how many weeks pregnant you are, and to estimate your due date.