What are the Main Reasons for Not Getting Pregnant?

What are the Main Reasons for Not Getting Pregnant?

Many women have difficulty in getting pregnant. Continuous negative pregnancy results, month after month makes them disappointing. Don’t worry, now it’s the high time to understanding the reasons for not getting pregnant, as this aids in resolving the issues and improves the chances of conceiving.

Having a regular unprotected sex is not just enough to conceive. There are several factors that contribute to getting pregnant. Being aware of those factors would definitely help in getting pregnant.

How long it takes for a woman to conceive?

According to the sources about one in seven couple faces difficulties in getting pregnant. If a couple is having regular unprotected sex for over 12 months (or less, if their age is over 35 years) and she is still not conceiving, then she may begin to wonder if she is having any fertility problem. However, approaching the doctor at right time would surely help the couple in conceiving.

Reasons for not getting pregnant

If a female partner is healthy and her reproductive parts are functioning properly, then the probability of becoming pregnant is 25% during every menstrual cycle.

Among all couples (women below 30 years) trying to conceive:-

  • 30% get pregnant within the first month itself
  • 75% get pregnant after the completion of six months
  • 85% get pregnant within a period of one year or 12 months
  • 90% get pregnant after 12 months or one year
  • 95% get pregnant after the completion of two years
  • 91% get pregnant in three years
  • 93 to 95% get pregnant in four years

The above-mentioned possibilities depend on several factors and define when a couple may get pregnant.

Reasons for not getting pregnant

Here, are few possible reasons why he or she might be facing difficulty in getting pregnant and what can be done about it.

Ovulation Disorder

For various reasons, one of the main reason for Ovulation Disorder is a Hormonal imbalance, because of which woman may have irregular ovulation cycles or no ovulation. The other cause of improper ovulation is the delicate communication between the pituitary gland, ovaries and follicles.

Below are the reasons for Ovulation Disorder

  • Poor egg health
  • Poor nutrition
  • Problems with endocrine glands
  • Stress
  • Xenohormones
  • Improper lifestyle choices
  • Underweight or overweight
  • Using fertility medications such as for example birth control for long-term.
  • Genetic predisposition

Low Sperm Count

According to the doctors, a minimum of 20 million sperm per mL is a healthy sperm count. The following are the reasons for low sperm count.

  • Improper lifestyle choices
  • Smoking
  • Alcohol Consumption
  • Poor diet
  • Poor Sperm Health
  • Stress
  • Anti-sperm antibodies
  • Environmental pollution
  • Genetic predisposition
  • Damage to reproductive organs
  • Other Illnesses

Blocked Fallopian Tubes

Ova travel from ovaries down to the uterus through a passage called as a fallopian tube, and if there is a blockage in tubes, then it prevents the ova journey to the uterus and this leads to difficulty in getting pregnant.

Causes of Blocked Fallopian Tubes

  • Pelvic Inflammatory Disease (PID), caused due to STD’s
  • Endometriosis
  • Ectopic Pregnancy
  • Uterine fibroids

25% of infertility is caused due to blocked fallopian tubes


The excess of endometrium lining of the uterus grows while preparing for implanting of the egg begins, and may not be shed, which results in infertility. Endometriosis is seen in 35-50% of cases.

Polycystic ovary syndrome (PCOS)

PCOS is caused by the hormonal balance in the female, which might be due to irregular menstrual cycle, obesity, skin problems, insulin resistance, small cysts in ovaries, & hirsutism. Approximately, 4-18% of infertility problem is PCOS.

Poor Egg Health

Several factors contributing to the health of the ovaries & eggs are hormones in the diet, environmental factors, lifestyle choices, stress and aging.

Reasons for poor egg health:

  • Improper lifestyle choices
  • Alcohol consumption
  • Poor diet
  • Stress
  • Environmental pollution
  • Sedentary lifestyle
  • Smoking
  • Hormonal balance
  • Aging
  • Reproductive organs damage
  • Auto-immune disorder

Anti-sperm Antibodies

Antibodies triggered at the time of immune response kill off the sperm. Increased number of sperm antibodies results in difficult for the sperm to reach the egg.

Vas Deferens Blockage

This is another kind of blockage, in this, the tube in which fertile sperm is transported is blocked. Also, Sexually Transmitted Disease (STD’s) cause a blockage. However, a varicocele can be treated with surgery. Further, it is vital to treat STD right way to prevent reproductive organs from damaging.

Combination Infertility

When both the partners are diagnosed with one or more fertility issues then it is called combination infertility. Around 20-30% of infertility cases are because of combination infertility.

Unexplained Infertility

Among couples who are diagnosed with infertility, 15% of them have unexplained infertility. This is the case when doctors can’t find any reason why a couple is not getting pregnant. Both partners underwent all tests and nothing is a problem that leads to infertility. Though it may feel good to learn that there is no specific problem, it could be confusing on what’s next. In these cases, natural therapies are very effective.

Thus, understand the reasons and know what could be the cause for you that lead to difficulty in conceiving. 

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