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.
When to Have It. The engagement party should fall within a few months of the proposal, right in the sweet spot between carefree, just-engaged life and the start of serious wedding planning. You'll want to give guests about a month's notice, so about 9 to 11 months before the wedding is the ideal time frame.he engagement party should fall within a few months of the proposal, right in the sweet spot between carefree, just-engaged life and the start of serious wedding planning. You'll want to give guests about a month's notice, so about 9 to 11 months before the wedding is the ideal time frame.