Age - a woman in her 30s and 40s have a lower chance of conceiving each month. For example, a healthy woman in her 20s or early 30s, the chances of conceiving each month is 25%-30%. However, by the time a woman is 40 years old, the chances are 10% or less.
Ovulatory disorder- Is the most common female infertility factor. Ovulation disorder occurs when a woman does not ovulate or ovulation irregular. The disorder can be termed Anovulation (no ovulation) or Oligo-ovulation (infrequent ovulation). The common symptoms woman may experience with these disorders include infrequent or irregular menstruation, the menstrual cycle longer than the normal 21 to 35 days.
Polycystic Ovary Syndrome (PCOS) – PCOS is the most common ovulatory disorder. It accounts for approximately 85 % of diagnosed cases.
Fallopian Tube Disease – The fallopian tube(s) may become blocked, or damaged due to exposure to infections, pelvic inflammatory disease, endometriosis, or adhesions.
Congenital anomalies – These are birth defects that can directly affect the structure of the uterus.
Uterine Fibroids – Fibroids are common These are usually benign muscle tumors found in the wall of the uterus that can impact the ability to conceive and/or cause a miscarriage.
Hyperprolactinemia- Women experiencing higher levels of prolactin, the hormone that stimulates milk production, often do not ovulate regularly making conception difficult to achieve.
Recurrent Miscarriage – A repetitive pregnancy loss (RPL) is defined as 2 or more consecutive, spontaneous pregnancy losses. The women diagnosed with RPL can usually easily conceive, however, maintaining or carrying the pregnancy is the challenge.
Premature Ovarian Failure – Is the early onset of menopause, usually occur before the age of 40.
Sperm production disorder - The function and quantity of sperm greatly impacts male fertility. A male infertility issue can be due to a low sperm count (oligospermia), no sperm count (azoospermia), or decreased sperm motility (asthenospermia). The disorder can stem from congenital (present at birth) problems with the testicle, hormone-related issues, varicose veins, environmental exposures, or cancer.
Sperm obstruction – In this case there is the production of sperm within the testicles, however, there is a problem with the outflow track. The common causes include prior surgery, infection, congenital abnormalities (present at birth).
Immune System Disorder - Some men develop antibodies to their own sperm, which may attack and weaken the sperm. The antibodies may attach to the sperm and interfere with their movement or their ability to fertilize the egg.