Human blastocysts should hatch from the shell and begin to implant 1-2 days after day 5 IVF blastocyst transfer. In a natural situation (not IVF), the blastocyst should hatch and implant at the same time-about 6 to 10 days after ovulation.
Enlargement of the prostate-- benign prostatic hyperplasia or BPH--is a common condition in older men that typically results in a narrowing of the urethra. BPH often makes urination difficult and sometimes painful. In addition, BPH and its associated treatments sometimes results in adverse sexual side effects.
Solve that and you will be a millionaire. The most common reason is probably not having had sex for a while. When we don't have sex the body secrets hormones that cause us to build up desire aka horny. This is caused by the build up or various hormones and testosterone and the filling of the prostate gland in men, probably some equivalent glands in females.