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.
Media last reviewed: 20/03/2014. Next review due: 20/03/2016. You'll have a number of antenatal appointments during your pregnancy, and you'll see a midwife or sometimes an obstetrician (doctor specialising in pregnancy).ou will have an appointment at 40 weeks if this is your first baby. Your midwife or doctor should give you more information about what happens if your pregnancy lasts longer than 41 weeks. Your midwife or doctor should: 1  use a tape measure to measure the size of your uterus.