About

IVF

In vitro fertilization (IVF) is a highly effective assisted reproductive technology where eggs are retrieved, fertilized in a lab, and resulting embryos are transferred into the uterus. Over the past 10–15 years, breakthroughs have dramatically improved success rates and safety, with many women under 35 now achieving >50% pregnancy success per single IVF cycle.


Key advances include freezing techniques, which preserves embryo viability better. Preimplantation genetic testing (PGT-A/PGT-M), which screens embryos for chromosomal normality and genetic disorders allowing only normal embryos with higher odds of success to be transferred.   Additionally, improved culture media, endometrial receptivity testing (ERA), and single embryo transfer (SET) policies have boosted implantation rates while reducing multiple pregnancies.


Combined with cutting-edge IVF lab standards and AI-driven predictive tools, modern IVF offers safer, faster, and more successful outcomes than ever before—making parenthood achievable for many who once faced uncertain odds.



(Note: Success rates vary by age, diagnosis, and clinic expertise—but technological progress has transformed IVF into a high-efficacy treatment.)


Why IVF?

IVF offers the highest chance of pregnancy for couples facing infertility, far surpassing natural conception and IUI in success rates. Couples struggling with infertility may have only an 8-10% monthly chance naturally.  IUI improves this to 10–20% per cycle (depending on diagnosis).


IVF achieves 50–60% success per cycle in women under 35—and even higher with genetic testing of embryos.  IVF bypasses barriers like blocked tubes, severe male factor infertility, endometriosis, or unexplained infertility, where natural conception or IUI often fail. It also allows for preimplantation genetic testing (PGT), reducing miscarriage risks and boosting live birth rates to ~65% per transfer with embryos that test normally.


For women over 40, IVF with donor eggs can raise success rates 10-fold from <5% naturally to >50% per cycle.


Unlike IUI, which relies on the body’s unpredictable environment, IVF controls fertilization, selects the best embryos, and optimizes timing—making it the most effective path to pregnancy for those struggling to conceive.


When time, biology, or odds are against you, IVF provides the most reliable solution.

IVF Step-By-Step

List of Services

Why IVF Works Better:


  • Higher success per attempt (50–65% for women under 35 vs. <20% with IUI).
  • Bypasses barriers (blocked tubes, poor sperm, endometriosis).
  • Genetic testing reduces miscarriage risk.


It’s a structured process with careful support at every step—designed to give you the best chance at achieving pregnancy.

The IVF Funnel and Success

In nature, conception is a numbers game—not every egg leads to a baby. Here’s why:


Not Every Egg is Mature – Each month, your ovaries recruit multiple eggs, but usually only one fully matures for ovulation. The rest are lost.

Not Every Egg Fertilizes – Even if sperm meets egg, fertilization isn’t guaranteed due to egg/sperm quality issues.

Not Every Fertilized Egg Grows – Some embryos stop developing early due to genetic errors or other factors.

Not Every Embryo Has Normal Chromosomes – Up to 50% of embryos may have chromosomal abnormalities, often leading to early loss.

Not Every Embryo Implants – Even a genetically normal embryo might not attach to the uterus due to timing or uterine factors.

Not Every Implantation Leads to a Baby – Some pregnancies end early due to unseen developmental issues.


In a natural cycle, this "funnel" means even fertile couples only have about a 15% chance per month—which is why it can take 6–12 months to conceive.


IVF compresses this timeline by:

Stimulating multiple eggs in one cycle (instead of just one).

Fertilizing them in the lab to bypass early hurdles (like sperm meeting egg).

Growing embryos to select the strongest (often with genetic testing).

Transferring the best embryo(s) when your uterus is most receptive.


By starting with more eggs, IVF overcomes losses at each step, giving you the equivalent of 6–12 natural cycles in just one month. That’s why success rates are higher—especially when combined with modern tools like genetic testing and optimized lab conditions.


Bottom Line: Nature is inefficient—IVF helps tilt the odds in your favor. 

Improving The Odds

About

Ethical IVF

Respecting Your Values: Reducing Frozen Embryos in IVF

We understand that fertility treatment involves deeply personal decisions, especially regarding frozen embryos. If you wish to minimize the number of embryos created and stored—while still maximizing your chances of success—here are some compassionate and effective options tailored to your needs:

Medical Treatment Options
    Single Embryo Transfer (SET)

        By transferring just one high-quality embryo at a time, we can significantly reduce the number of excess embryos while maintaining good pregnancy rates. This approach prioritizes your safety and aligns with ethical preferences.

    Gentler Ovarian Stimulation

        Using lower-dose medications or natural-cycle IVF can yield fewer eggs (typically 5–8 instead of 10–20), reducing the likelihood of surplus embryos. This approach respects your comfort level while still providing viable options.

    Fresh Embryo Transfer When Possible

        Opting for a fresh transfer avoids freezing embryos altogether. Any remaining high-quality embryos can be frozen for future use, but the focus remains on minimizing storage needs.

    Preimplantation Genetic Testing (PGT-A)

        Testing embryos for chromosomal normality helps identify the healthiest ones for transfer, reducing the number of embryos frozen and stored unnecessarily. This ensures we prioritize the embryos with the best potential.

    Intentional Fertilization Choices

        We can fertilize only the number of eggs needed (e.g., 6–8 mature eggs) to avoid creating more embryos than you’re comfortable preserving. This empowers you to set boundaries while still pursuing treatment.

    Ethical Plans of Unused Embryos

        If you have remaining embryos, we support you in making a choice that aligns with your values—whether through donation (to another family)

    Egg Freezing as an Alternative

        If you’re uncertain about creating embryos now, freezing unfertilized eggs allows you to preserve fertility without immediate embryo storage concerns. These can be fertilized later when you’re ready.

A Collaborative Approach
Your journey is unique, and we’re here to honor your ethical, emotional, and medical preferences. By customizing your protocol—whether through gentler stimulation or selective fertilization—we can help you achieve your family goals while respecting your boundaries. Dr COussons can spend time in your consult answering the tough ethical questions so your treatment aligns with your values every step of the way.


You’re in control. Together, we’ll find a path that feels right for you.

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