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.
4. Certain forms of masturbation can lead to sexual dysfunction. Experts warn that men who frequently stimulate themselves in ways that don't simulate sex with a partner -- for example, stroking very rapidly or with great pressure or friction -- can develop retarded ejaculation.