Creator: Dr. Payal Bajaj
Published: 2024-10-23T09:53:12+00:00

Does IVF Work for Unexplained Infertility?

Nandi IVF Clinical Series • Dr. Payal Bajaj

Key Medical Takeaways

Essential highlights by Dr. Payal Bajaj

Dealing with unexplained infertility can be very difficult and emotionally demanding. A frustrating diagnosis is that of unexplained infertility, which occurs in 15-30% of all cases of infertility. However, after such a medical evaluation, a specific reason cannot be found to determine why a couple has been unable to conceive. For such couples, IVF from the best IVF centre in Delhi often becomes a promising hope. This article explains whether IVF works in treating unexplained infertility, offering insights into its potential as a solution.

Unexplained Infertility and Its Nature

Unexplained infertility is a condition where standard tests for infertility don’t indicate any particular cause for a couple's infertility. Many reasons, in both men and women, can cause infertility. Infertility issues in women include uterine fibroids, endometriosis, PCOS, uterus abnormalities, and age. In males, the reasons could be low sperm count, poor sperm motility, testicular problems, hormonal imbalances, and ejaculation problems. Now, these issues can be easily diagnosed using standard tests. For women, it involves hormone tests, checking ovulation, fallopian tubes, and uterine assessment. For males, semen analysis is typically done through sperm count, motility, and morphology checks. In some cases, after such extensive testing and visits to fertility clinics, the couples still come out with no clear explanation of why they are not able to conceive. Unlike all other causes of infertility, the cause cannot be targeted upon treatment, which makes it even more frustrating for couples.

How is Unexplained Infertility Ensured?

Doctors usually ensure the following four things, and if all of them are normal and still a couple is unable to conceive, then it is regarded as unexplained infertility.

Regular and healthy ovulation in the woman.
Open fallopian tubes that allow sperm to meet the egg.
Adequate sperm count, motility, and morphology, in the male partner.
A healthy uterus in a female partner with no abnormalities, like fibroids or polyps, could prevent implantation.

If all these parameters are available, then here are some possible reasons that are leading to unexplained infertility:

Ovulation problems, like low-quality eggs are produced or irregular ovulation timing.
Unclear fertilization issues, which prevent the sperm from penetrating the egg.
Issues in the uterine environment can prevent the embryo from implanting in the uterine lining, even though it is healthy.
The uterus lining is not optimally receptive during embryo implantation.
Immune system dysfunction and genetic issues might be hindering the process of conception.

How IVF Can Overcome Unexplained Infertility?

In a situation where infertility in the couple cannot be explained, IVF offers a chance to overcome unexplained obstacles that cannot be detected by simple fertility tests. Here's how it works:

Overcoming Natural Obstacles to Fertilisation

IVF lets fertilisation take place in a controlled environment outside the human body instead of working around the natural obstacles to fertilisation. The most apparent benefit for infertile couples who do not know the cause of their infertility is that IVF can overcome any unknown barriers that may exist and yet prevent their fertilisation through natural intercourse. For example, although sperm and egg have been ascertained to be normal, subtle issues might still exist with sperm or egg quality or even the interaction between the two. Such problems are very difficult to detect with standard testing yet bypassed through IVF, where eggs are fertilised in a lab.

Less Quality Problem of Egg or Sperms

The cause of unexplained infertility may be linked to the egg or sperm of poor quality, which could not be identified. IVF provides the fertility expert with adequate ability to monitor the stages of an embryo's developmental progress closely. The fertility experts at the best IVF Clinic in Delhi select the most healthy ones to implant during transfer. Even normal sperm can be injected for fertilisation purposes into the egg using intracytoplasmic sperm injection (ICSI) techniques.

Improved Control Over Time and Circumstance

The advantage of IVF is that the timing of fertilisation and embryo transfer into the uterus can be controlled and optimised. In natural conception, the exact timing of ovulation and conception is pivotal but impossible to predict with complete accuracy. IVF allows clinicians to monitor every step of the course of events, from egg pick-up at optimal timing to fertilisation under ideal conditions. This level of control may be especially useful to couples experiencing unexplained infertility since it eliminates guesswork.

Chance of Genetic Screening

Another plus of IVF is the chance of genetic testing of the embryos before implantation. Genetic Testing can identify any chromosomal defect that causes infertility, even when the fertility evaluation of a woman is at its best. Of course, not all cases of unexplained infertility are caused by a genetic problem; still, the fact that embryos can be screened for such defects gives way to more possibilities of a successful pregnancy. This procedure is optional, and it is only recommended in specific situations, like a couple with repeated IVF failures or miscarriages and known genetic disorders in the family. A number of studies suggest that IVF is an effective treatment for unexplained infertility. Evidence of this belief was in a 2019 Fertility and Sterility report, where they found that IVF proved more effective in conceiving as compared to intrauterine insemination (IUI) in couples with unexplained infertility. This study also went ahead to reveal that in two IVF cycles, 40% of couples with unexplained infertility can conceive and also obtain a live birth. This thus proves that IVF is possible in those cases where couples are not able to conceive through other fertility treatments.

The Bottom Line

For many couples, unexplained infertility can be a confusing and heartbreaking diagnosis. IVF has opened the way to parenthood, though the definite cause of infertility was not discerned. The process of bypassing the natural fertilisation barriers, improving the selection of viable embryos, and offering control over the fertilisation process has helped many couples overcome the uncertainty that unexplained infertility poses to them. While success is not assured, IVF is a rather well-researched and proven treatment that drastically increases the possibilities for conception. While it calls for guidance from the Best IVF Specialist in Delhi, expert care makes a difference in such treatment whereby unexplained infertility calls for. IVF is not a solution, but it's a beacon of hope to those who sail through such a challenging journey of unexplained infertility. A couple dealing with unexplained infertility can get a consultation with specialists at the best IVF centres, like Nandi IVF. Our best IVF specialists in Delhi can avail of advanced techniques and personalised care according to the individual's needs. All cutting-edge technologies that could increase the chances of success, more especially in people experiencing unexplained infertility, will also be accessible at the best IVF centre in Delhi.

Medically Reviewed & Authored By

Dr. Payal Bajaj

MBBS, DGO, Fellowship in ART (Germany & Japan)

Senior IVF & Embryology Consultant with over 20+ years of specialized clinical experience in reproductive endocrinology, blastocyst culture, and complex recurrent IVF failure cases. Over 10,000+ healthy babies delivered.

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