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Tuesday, 25 July 2023 18:55

Double Delight: The Magic of IVF and the Wonder of Twins

In the enchanting realm of reproductive medicine, in vitro fertilization (IVF) is a revolutionary spell. It's akin to a VIP ticket for couples who find the traditional route to parenthood blocked. IVF conjures the miracle of conception outside the woman's body, in a lab. But sometimes, this spell can result in a double surprise - twins! Let's embark on an intriguing exploration of IVF, twins, and their connection to surrogacy.

The Magic of Multiples: The Making of Twins in IVF

In the captivating world of IVF, the doctor is the wizard. With the aid of hormones, they persuade a woman's body to conjure more eggs than usual. It's like having extra hats from which to pull out rabbits. These eggs are then united with sperm in a lab.

To amplify the odds of a successful pregnancy, the doctor might choose to transfer more than one fertilized egg (now known as an embryo) into the woman's womb. It's akin to placing bets on multiple horses in a race. If two embryos decide to stay and grow, voila, you've hit the twin jackpot!

The Single Embryo Advantage: The Benefits of Transferring a High-Grade Embryo After Pre-Implantation Diagnosis

While transferring multiple embryos can increase the chances of pregnancy, there are significant advantages to transferring only one high-grade embryo after pre-implantation diagnosis. These include:

  • Lower risk of multiple pregnancies: Transferring a single embryo significantly reduces the risk of twins or multiple births, which are associated with higher health risks for both the mother and babies.
  • Increased safety: Single pregnancies are generally safer and less complicated than multiple pregnancies.
  • Better health outcomes: Single babies born from IVF often have better health outcomes, including higher birth weights and fewer health issues at birth.
  • Cost-effectiveness: Single pregnancies can be more cost-effective in the long run, considering the potential healthcare costs associated with multiple births.

The choice to transfer a single high-grade embryo is a decision that can have far-reaching implications. It's a strategy that combines the best of medical science with a thoughtful approach to patient care.

IVF and Surrogacy: A Match Made in Magic

Surrogacy is another enchanting journey where a woman carries and gives birth to a baby for another. IVF is the star player in this process. The embryos, crafted through IVF, are transferred into the surrogate's womb. This process unveils the door to parenthood for those who can't carry a pregnancy themselves, including single parents, same-sex couples, and women with medical conditions that make pregnancy risky.

The Numbers Spell: IVF Twins Statistics

Deciding how many embryos to transfer is a significant decision. It's like deciding how many lottery tickets to buy. More tickets mean more chances to win, but also more risks. Here's how the numbers stack up:

  • If two embryos are transferred, women under 30 have a 40-48% chance of getting pregnant on the first attempt.
  • If only one embryo is transferred, the odds drop to 35-38%.
  • But here's the twist: if two embryos are transferred, the chances of having twins soar to 32%.
  • If only one embryo is transferred and twins still occur, that's a 0.9% chance. It's like hitting the twin jackpot!

These statistics highlight the delicate balance between increasing the chances of pregnancy and managing the risks of multiple births. It's a decision that requires careful consideration and expert medical advice.

Two Peas in a Pod or Apples and Oranges: Identical and Fraternal Twins

When two embryos are transferred, and both decide to stay, you get fraternal twins. They're like two separate lottery tickets that both hit the jackpot. But sometimes, a single winning ticket can split into two identical tickets. That's when you get identical twins. It's rare, but it happens.

During in vitro fertilization, it's most common for two embryos to be created from separate oocytes and different sperm, leading to the possibility of fraternal twins. However, there's a less frequent occurrence of monozygotic conception, resulting in twins or even triplets. Although the likelihood of this is quite minimal, it can't be entirely ruled out. Factors contributing to a homozygous pregnancy include:

  • The timing of embryo culture and transfer: Typically, the transfer is done on the 5th day of development. If this process is altered and performed on the third day, the chance of a monozygotic pregnancy increases by 1.52%.
  • The use of additional sperm stimulation methods: Techniques such as Intracytoplasmic Sperm Injection (ICSI), hatching, and Preimplantation Genetic Diagnosis (PGD) can disrupt the embryonic membrane, leading to a monozygotic type of reproduction.
  • Artificial insemination: This plays a role when the egg cultivation stimulation protocol isn't followed.
  • Oral contraceptives: Their use can heighten the risks of a monozygotic pregnancy. After a three-month discontinuation of these drugs, multiple pregnancies tend to occur more frequently due to the activation of the woman's reproductive system reserve.

The process of embryo formation and development is complex and fascinating. It's a testament to the incredible advances in reproductive medicine and the mysteries of human biology.

The Other Side of the Coin: Risks in Multiple Pregnancies

Having twins might sound like a dream come true, but it's not all fairy dust and unicorns. It's like carrying two heavy shopping bags instead of one. It's more demanding on the woman's body, and twins often weigh less at birth and might have more health issues in the first few years. Plus, the woman's health, age, and other factors can make things more complicated.

But hey, for some folks, the idea of having twins is just too irresistible. And if you're not ready for the double trouble, there's an option to freeze the extra embryos for later. It's like saving a piece of cake for tomorrow when you're too full to eat it today.

The Magic and Mystery of IVF and Twins

The journey of IVF is filled with magic and surprises, sometimes in the form of twins. While the prospect of twins can be exciting, it's important to consider the benefits of transferring a single high-grade embryo, such as lower health risks and better outcomes for both mother and baby. Whether you're hoping for one baby or two, IVF and surrogacy opens up a world of possibilities for those dreaming of parenthood.

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Under Ukrainian law, surrogacy is a legal affordable option for traditionally married couples to have children using their own embryos, or with either an egg or sperm donor. There must be a medical reason you can’t carry a child. You are also able to participate if you have had 4 unsuccessful IVF attempts.


Under Ukrainian law, surrogacy is a legal affordable option for traditionally married couples to have children using their own embryos, or with either an egg or sperm donor. There must be a medical reason you can’t carry a child. You are also able to participate if you have had 4 unsuccessful IVF attempts.