Causes of infertility

Infertility affects 1 out of 6 couples

Infertility is a common problem, affecting 1 out of 6 couples.

It is diagnosed when a couple has been trying to conceive for a year unsuccessfully. The likelihood of achieving spontaneous pregnancy

is around 15-25% per month depending on the age of the woman.. This probability is stable during the first 6 months and then decreases gradually. After a year, the monthly probability of pregnancy is 5-10%,and less than 3% after 2 years.

Besides age, other factors may influencethefertility of a couple. The most commonare polycystic ovaries, the presence of endometriosis,repeated miscarriages; but we must not neglect the influence of other factors such as being overweight, alcohol, or smoking. Also genetic or family problemsas early maternal menopause may determine the fertility of women.

How does age influence fertility?

Fertility inwomen decreases gradually from 35 years, at 38 the drop is important and falls significantly after 40. In men,
fertility decreasessignificantlyafter45 years of age.

What is endometriosis?

Endometriosis is the presence ofendometrium(inner mucous lining of the uterus) outside the uterine cavity. It usually appears in the ovaries, behind the uterus, bladder or bowels.It is present in 25-50% of women with fertility problems and is associated with pelvic pain during menses. Themost frequently recommended treatment isIVF. .

What are polycystic ovaries?

Polycystic ovaries is a hormonal disorder that affects approximately 5-10% of women of reproductive age The most common symptoms are absence orirregular mensesdue to lack of ovulation, and acne or hirsutism (excess of body hair) El tratamiento recomendado es la estimulación ovárica.due to excess male hormones.

The recomended treatment is ovarian stimulation.
El fallo ovárico es la condición por la que el número o calidad de los ovocitos presentes en los ovarios está disminuida. Se diagnostica frecuentemente a partir de los 38 años y en mujeres donde la menopausia de su madre ha sucedido antes de los 45 años. Se recomienda tratamientos como la Fecundación in vitro, si se quiere intentar embarazo con óvulos propios, o la ovodonación, si el fallo ovárico impide conseguir óvulos propios.

Male factor sterility is the condition in which the number
motility or sperm quality is decreased. It is usually not associated with any symptoms, but sometimes occurs after a history of genitourinaryproblems or associated with certain lifestyle habits. Treatments recommended go from artificial insemination, if there is a mild male factor, to IVF withICSI, if it is severe.

Here is the process to get pregnant:

Source: Atlas of Assisted Reproduction


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