Most babies are born around the 40th week of pregnancy. When a pregnancy continues past the 42d week, the placenta, which supplies the fetus with oxygen and nutrients, ages and becomes less efficient. ''The baby can have problems with its oxygen or food supply,'' Dr. Witter said. ''It may lose weight in utero and there may be fetal distress in labor.
Straining the first urine specimen of the morning is important, because a stone may pass into your bladder during the night. Look carefully at the strainer for a kidney stone. It may look like a grain of sand or a small piece of gravel.Any stone you find should be kept dry-do not put it in fluid or urine. kidney stone analysis is done to: 1  Find the chemical makeup of a kidney stone. 2  Guide treatment for a kidney stone. 3  Give information on how to prevent more kidney stones from forming.
Finding out the type of your kidney stone will help with treatment decisions and measures to prevent stones from forming again. Tests you may have include: 1  A medical history and physical exam.  Stone analysis. Your doctor may ask you to collect stones by straining your urine through a fine-mesh strainer or fine gauze.