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.
Pregnancy Second Trimester Week 15 of Pregnancy You are 14 Weeks and 4 Days Pregnant. Second Trimester 1stTrimester 3rd Trimester. To function successfully, the placenta needs a good maternal blood supply to the arteries in the wall of the uterus.