Generally, no. Doctors and fertility specialists do not recommend specifically trying for twins through IVF due to the increased risks associated with twin pregnancies for both the mother and the babies. While IVF can sometimes result in twins, it is not considered ethical or safe to intentionally aim for a twin pregnancy. The primary goal of IVF is to achieve a healthy singleton pregnancy.
Why Intentionally Aiming for Twins with IVF is Discouraged:
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Increased Risks for the Mother: Twin pregnancies significantly increase the risk of complications for the mother, including:
- Gestational diabetes: Higher likelihood of developing gestational diabetes, which can lead to further complications.
- Preeclampsia: Increased risk of high blood pressure and organ damage.
- Preterm labor and delivery: Twins are often born prematurely.
- Cesarean section: Higher likelihood of needing a C-section.
- Postpartum hemorrhage: Increased risk of excessive bleeding after delivery.
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Increased Risks for the Babies: Twin pregnancies also increase the risk of complications for the babies, including:
- Prematurity: Twins are more likely to be born prematurely, leading to respiratory problems, feeding difficulties, and other health issues.
- Low birth weight: Twins often have lower birth weights, which can increase the risk of health problems.
- Twin-twin transfusion syndrome (TTTS): A complication specific to identical twins sharing a placenta, where one twin receives too much blood flow and the other too little.
- Increased risk of cerebral palsy and other developmental delays.
- Higher infant mortality rate compared to singletons.
IVF and Single Embryo Transfer (SET):
The current trend in IVF is towards single embryo transfer (SET). This involves transferring only one embryo into the woman's uterus. SET significantly reduces the risk of multiple pregnancies (twins or higher-order multiples) without significantly lowering the chance of pregnancy.
- Benefits of SET:
- Reduced risk of multiple pregnancies and associated complications.
- Improved outcomes for both the mother and the baby.
- Higher likelihood of a healthy, full-term pregnancy.
While some couples may desire twins, reproductive endocrinologists prioritize the health and safety of both the mother and the potential children. Therefore, intentionally trying for twins through IVF is strongly discouraged and not considered a responsible medical practice. Modern IVF practice focuses on optimizing the chance of a healthy singleton pregnancy.
