Ovaries stop functioning altogether at menopause. At that point, age-related infertility is present and natural conception can no longer occur. Normal menopause occurs in woman from about 42 to 58 years old. However, the influence of age related infertility may start 10 years before menopause.
PU leather is JUNK and ultimately I would NEVER spend $350-$500 on a chair using PU Leather or Vinyl as a material. Even if it's the best PU leather known to man the fact is that PU leather is not as comfortable, durable or cleanable as a good protected leather.
Bicast leather. Bicast leather (also known as bi-cast leather, bycast leather, or PU leather, sometimes described as split leather) is a material made with a split leather backing covered with a layer of polyurethane (hence the term PU leather) that is applied to the surface and then embossed.