The kidney is not one large filter. Each kidney is made up of about a million filtering units called nephrons. Each nephron filters a small amount of blood. The nephron includes a filter, called the glomerulus, and a tubule. The nephrons work through a two-step process.
Generally speaking, first babies tend to engage from about 34 weeks to 36 weeks. However, some babies only engage once labour starts. Try not to worry, though. Even if your baby hasn't engaged by the time labour starts, in most cases, it's not a problem.
What are you called after you are engaged and before you are married? A fiancÃ©e (pronounced fee-ahn-say) is a woman who is engaged to be  married.   A fiancÃ© (pronounced the same way) is a man who is engaged to be  married.