Answer: A partial thromboplastin time (PTT) test is a blood test that helps doctors assess your body's ability to form blood clots. Bleeding triggers a series of reactions known as the coagulation cascade. Coagulation is the process your body uses to stop bleeding.
aptt normal values
Pregnancy Trimester One: 24.3 to 38.9 Seconds
Pregnancy Trimester Two: 24.2 to 38.1 Seconds
Pregnancy Trimester Three: 24.7 to 35.0 Seconds
pt normal levels are:
9.7 - 13.5 sec in first trimester, 9.5 -13.4 sec in second trimester, 9.6 - 12.9 sec in third trimester..
its little high in your both reports so trust and follow your doctor suggestion.