Again, this is simply an old wives tale and has no scientific backing.

At around week 16, an unborn baby’s aural structures are quite well developed. He or she should be able to detect some noise, though it will be restricted to the inner noises of mom’s body. By week 24, he or she will be able to hear noises outside the womb, and may respond to mom or dads voice.

Or to be more precise, a woman has 3.3 percent chance of conceiving twins naturally. By naturally, we mean without any kind of fertility treatment.

Most experts think that several factors, including genetics, could play a role. Women with PCOS are more likely to have a mother or sister with PCOS.

Varicoceles, enlarged veins in the scrotum, may also affect sperm production.

Hypothalamic amenorrhea occurs when the hypothalamus, a gland in the brain that regulates body processes, slows or stops releasing gonadotropin-releasing hormone (GnRH), the hormone that starts the menstrual cycle.