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.
A polyurethane material, or PU material for short, is a type of versatile plastic. The three types of PU materials are flexible foams, rigid foams and elasto-plastics. These materials are most often used in building construction, the automotive industry and in furniture manufacturing. Continue Reading.