The dobutamine stress echo test involves the injection of a medication called dobutamine while you are closely monitored. The medication stimulates your heart in a similar way as exercise. Important: If you have a pacemaker/defibrillator, it must be checked at Cleveland Clinic before your dobutamine stress echo test.
Your Baby During the Second Trimester. The second trimester is normally considered to be from the beginning of the fourth month to the end of the sixth month. This works out in weeks to start from about the thirteenth week of pregnancy.
1 Your second trimester lasts from when you're 14 weeks to 27 weeks plus six days pregnant. 2  During this trimester you'll probably feel much better. 3  You may start to bloom, your bump will show and early pregnancy symptoms will be behind you.