Calcium oxalate is by far the most common type of kidney stone. Less frequently, uric acid can cause stones. (This is the same chemical compound that is the cause of gout.) Struvite, xanthine, and other types of stones are rare. Some stones are combinations of these minerals and chemicals.
Your doctor will give you a schedule of all the doctor's visits you should have while pregnant. As your pregnancy progresses, you'll see your doctor more often. Most experts suggest you see your doctor: about once each month for the first six months of pregnancy. every two weeks for the seventh and eight month of pregnancy.
Prenatal care: Other first trimester visits. Subsequent prenatal visits â often scheduled about every four weeks during the first trimester â will probably be shorter than the first. Your health care provider will check your weight and blood pressure, and you'll discuss any concerns. Near the end of the first trimester â by about nine to 12 weeks of pregnancy â you might be able to hear your baby's heartbeat with a small device that bounces sound waves off your baby's heart (Doppler). Remember, your health care provider is there to support you throughout your pregnancy. Your prenatal appointments are an ideal time to discuss any questions or concerns â including things that might be uncomfortable or embarrassing. Also find out how to reach your health care provider between appointments.