Assisted Reproductive Technologies: Key Terms, Importance, and Health Impact

Modern assisted reproductive technologies (ART) play a crucial role in treating infertility, giving couples the opportunity to achieve their dream of having a child. However, the key concepts and steps of ART often remain unclear to a broader audience. This article outlines the primary terms and stages of ART while highlighting the importance of maintaining reproductive health.

Reproductive Health: Definition and Importance

Reproductive health encompasses the physical, mental, and social well-being essential for safe conception, pregnancy, and childbirth. It includes protection against infections, family planning, pregnancy and childbirth safety, as well as the health of both mother and child. Preventive care, regular medical check-ups, and abstaining from harmful habits are vital in reducing the risk of infertility and pregnancy complications.

Key Factors Affecting Reproductive Health:

• Physical and mental well-being

• Absence of harmful habits (smoking, alcohol, drug use)

• Healthy lifestyle and sexual culture

• Environmental and occupational conditions

Types and Causes of Infertility

Infertility is the inability of a couple to conceive within a year of regular unprotected intercourse. According to the World Health Organization (WHO), 8% of couples face this condition. Infertility is classified as follows:

• Absolute infertility — irreversible changes in reproductive organs (congenital abnormalities, trauma).

• Relative infertility — temporary causes that can be addressed.

• Primary infertility — when pregnancy has never occurred.

• Secondary infertility — when pregnancy occurred previously, but recent attempts have been unsuccessful.

Primary causes of female infertility include endometriosis, blocked fallopian tubes, and hormonal imbalances, while in men, infertility may be associated with low sperm count and motility, infections, and immunological factors.

Modern Assisted Reproductive Technologies

ART encompasses a range of techniques designed to increase the likelihood of successful pregnancy:

• In Vitro Fertilization (IVF) — fertilization of eggs by sperm in a laboratory setting.

• Intracytoplasmic Sperm Injection (ICSI) — a method where a single sperm is directly injected into an egg.

• PICSI — the selection of the healthiest sperm for ICSI.

• Egg and Sperm Donation — the use of donor cells for conception.

• Surrogacy — where a surrogate mother carries a child for a couple who cannot carry the pregnancy themselves.

According to the "Glossary of ART Terminology" published by WHO, ART methods also include the cryopreservation of gametes and embryos, but not artificial insemination. ART methods often include assisted hatching (the artificial thinning or removal of the embryo's outer layer) and reproductive surgery.

IVF Procedure Stages

IVF consists of several sequential stages, each critical to achieving a successful outcome:

1. Ovarian Stimulation — administration of hormonal medications to stimulate the development of multiple eggs.

2. Folliculogenesis Monitoring — tracking follicular development via ultrasound.

3. Follicular Aspiration — retrieval of mature eggs under ultrasound guidance.

4. In Vitro Fertilization — fertilization of eggs and sperm in laboratory conditions.

5. Embryo Culture — growth of embryos to the blastocyst stage (5–6 days).

6. Embryo Transfer — transfer of one or more embryos into the uterine cavity.

7. Luteal Phase Support — use of progesterone to create optimal conditions for embryo implantation.

Preimplantation Genetic Diagnosis (PGD)

PGD is a technique that allows the detection of genetic abnormalities in embryos before their transfer to the uterus, reducing the risk of inheritable diseases. This method is especially useful for couples with genetic predispositions and those who have experienced unsuccessful IVF attempts.

Cryopreservation of Biological Material

Cryopreservation involves freezing sperm, eggs, or embryos for long-term storage, allowing future use without repeated stimulation. Embryo freezing is commonly applied when:

• There is a need to delay pregnancy.

• More embryos are obtained than needed for a single attempt.

• There are medical indications (e.g., upcoming chemotherapy).

Delayed Motherhood Program

The delayed motherhood program enables women to preserve their eggs for future use. This option is especially beneficial for those planning pregnancy at a later age. Frozen eggs can be used for IVF when a woman decides to pursue motherhood.

Impact of Harmful Habits on Reproductive Health

Smoking, alcohol, and drug use have a detrimental effect on reproductive health and can result in:

• Delays in fetal development.

• Fetal hypoxia in smoking mothers.

• Physical and mental developmental issues in children.

Abstinence from harmful habits and maintaining a healthy lifestyle can significantly improve the chances of successful conception and the birth of a healthy child.

Recommendations for Pregnancy Planning

To support reproductive health, the following factors should be considered:

• Optimal age for childbirth: ideally, the first child before 25 years, subsequent births before 35 years.

• Intervals between pregnancies: at least 2–3 years for physical recovery.

• Protection against sexually transmitted infections.

Success Center: Comprehensive Surrogacy Support

The Success Center offers a wide range of services for couples experiencing difficulties with conception and pregnancy. The center's specialists provide comprehensive support, from surrogacy to egg and sperm donation programs, with a personalized approach at every stage, ensuring optimal conditions for achieving family goals.