A To Z
- Progesterone is a female sex hormone that prods the uterine lining (the endometrium) to thicken and prepare for an embryo to implant. If a woman produces too little progesterone, the lining cannot build up sufficiently for implantation. READ MORE»
- Less than 20 million sperm per milliliter of semen is considered low. Healthy, fertile men may have upward of 100 million. READ MORE»
- Sperm motility refers to the sperms’ ability to move normally ; sperm have to be able to swim on their own in order to reach the egg. READ MORE»
- Morphology refers to the shape and structure of sperm, which is as important as quantity. A normal sperm has an oval head and a long tail that propel it forward. Sperm with large, small, or misshapen heads or kinky, curled, or double tails are less likely to be able to fertilize an egg. READ MORE»
