Some women, it seems, to get pregnant with another child as soon as they give birth. However, some women have to deal with the uncertainty of when they’re going to get pregnant. Difficulty getting pregnant can be a source of anxiety for healthy couples, and when the reason for the delay is unknown, such feelings of anxiety can become even more aggravated. HealthStatus has created the Ovulation Calculator to predict your most fertile days of the month.

Unexplained infertility can be a frustrating diagnosis but it doesn’t necessarily mean that there is no longer a possibility of getting pregnant. Though the diagnosis is quite vague, there are still other options available that can help increase your chances of getting pregnant. Figuring out the timing of your ovulation and peak fertility can be the first logical step.  Make sure to read our article on the symptoms of ovulation.

Possible Causes of Unexplained Infertility

Causes of unexplained infertility are not known, however, the following factors have been found to play a role causing difficulties and delays in pregnancy:

Abnormal Fallopian Tubes

Any abnormality in the fallopian tubes, no matter how insignificant it may seem, may lead to unexplained infertility. Fallopian tubes contain minute structures, like the fimbria and the cilia, which help sweep egg cells down into the uterus, and abnormalities can prevent the eggs from being fertilized.

Abnormal Eggs

Since ovaries are equipped with thousands of eggs, it is unlikely that not one of them would be suitable for fertilization unless there is abnormality in the size, shape, or in the chromosomes of the egg.

Weak Sperm

Unhealthy or abnormal sperm can also affect pregnancy outcome. In order to become fertilized, sperm must be able to break through the outer shell of the egg. When even seemingly healthy-looking sperm are not strong enough to break through the egg to fertilize it, no embryo will be created.

Luteinised Unruptured Follicle (LUF) Syndrome

During the maturation process, eggs are stored inside a tiny membrane called a follicle. This follicle will release an egg through ovulation, and after the egg has moved into the fallopian tubes, the membrane leftover is referred to as the corpus luteum.  LUF is caused when the follicles, before releasing the trap it inside. Thus, ovulation is blocked.

Abnormal Luteal Phase

Luteal phase, of the menstrual cycle, starts when the egg has been released from the ovaries and corpus luteum begins to produce progesterone, the hormone responsible for stimulating the uterus to prepare the endometrial lining for implantation.

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If the progesterone levels rise too quickly or too slowly, or if the hormone was not produced for a long enough period, the endometrium will not be properly prepared for implantation.

Immune System Problems

The immune system is designed to protect the body from any invading organisms. However, it can sometimes become confused, and start to attack healthy cells. When a woman’s immune system begins to attack her eggs, or a man’s immune system, causing the sperm to stick together, pregnancy will not happen.

Emotional Factors

The brain controls the reproductive system, which is why any emotional problem affecting the psychological well-being of the couples can cause infertility.

Unexplained Infertility Treatment

No matter how frustrating unexplained infertility is for couples trying to conceive, there are always infertility treatments available that can help induce pregnancy:

  • Fertility drugs help stimulate egg production, thereby greatly improving you chances of getting pregnant.
  • Intrauterine insemination entails releasing sperm into the uterus in hopes that it will fertilize one of the eggs. This procedure is considered one of the most popular forms of assisted reproductive technology.
  • In-vitro fertilization is another popular and very successful way to address unexplained infertility. Eggs are removed from your ovaries and fertilized in a dish with the partner’s sperm. Once the eggs have developed into embryos, they are then implanted back into the uterus.

The difference between IVF and IUI is that instead of fertilization taking place inside the uterus, it takes place in the laboratory.



HealthStatus has been operating since 1998 providing the best interactive health tools on the Internet, millions of visitors have used our health risk assessment, body fat and calories burned calculators.The HealthStatus editorial team has continued that commitment to excellence by providing our visitors with easy to understand high quality health content for many years.
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