Spirometry is the most common lung function test. It measures how much and how quickly you can move air out of your lungs. You breathe into a mouthpiece attached to a machine called a spirometer. The machine records your results.
Confirming the presence of your babyâs heartbeat. You may have gone to your doctor with vaginal bleeding or you may be anxious because of problems in a previous pregnancy (such as miscarriage). This ultrasound can routinely detect a heartbeat in your baby as early as 6-7 weeks.
Most mothers are unable to feel a fetus's movement until around the 20th week of pregnancy. A fetus is an unborn, developing baby. A fetus can be detected in the womb using ultrasound technology. Vaginal ultrasound probes may be inserted into the vagina during pregnancy to obtain an image of the uterus.