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Do IVF babies develop faster?

Author

Sarah Smith

Published Jan 14, 2026

The University of Manchester led study of 5,200 IVF children found that singleton babies conceived from fresh embryo transfers - used in two thirds of all IVF - are associated with lower birth weights, head circumference and length, but then grow more quickly, catching up to naturally conceived children by school age.

Are IVF babies smarter?

Genetic screening of IVF embryos is unlikely to lead to smarter babies.

Do IVF babies grow slower?

On average IVF children are born a little earlier and have lower birth weights than naturally conceived children, which means more are considered to be 'Small for Gestational Age' (SGA). This is not the case for children born from frozen embryos.

Is there any difference between IVF baby and normal baby?

The simple answer is yes. Millions of babies have been born using In Vitro Fertilization (IVF) and they are perfectly healthy. The procedure does not pose any short term or long term risk to the health of the child. The primary difference between IVF babies and normal babies is the way in which they are conceived.

Do IVF babies look like their parents?

It is important to note that in both traditional and gestational surrogacies, it is possible for the baby to look like the father or one of the fathers, as their sperm can be combined with an egg via IVF. However, it is only possible for the baby to look like their intended mother with gestational surrogacy.

31 related questions found

Do IVF babies look like Mom or Dad?

Because a donor egg won't share any of its genes with its intended mother, there's a chance the baby will not resemble its mother. However, if her partner's sperm was used, the baby may look like its father because they share the same genetics.

Are IVF babies more likely to have ADHD?

Children conceived with assisted reproductive techniques (ART) do not appear to be more likely to have attention-deficit/hyperactivity disorder or poor school performance, compared with children conceived spontaneously, according to a study published in Pediatrics.

Are IVF babies generally bigger?

IVF babies born from frozen embryos are heavier and result in longer pregnancies than those born from fresh embryos, research suggests. A study presented at the British Fertility Society annual meeting says transferring frozen embryos may lead to healthier babies.

Can IVF babies have babies?

However, whether ART procedures or subfertility itself had led to these changes is still unresolved. Currently, the first IVF-conceived people are now more than 30 years old, and some of them have conceived children.

Do IVF babies have lower IQ?

They found a 51% increased risk of intellectual impairment, marked by an IQ below 70, in children conceived by IVF treatments in which sperm cells are injected directly into eggs. This amounted to a rise from 62 per 100,000 children (0.062%) to 92 per 100,000 (0.092%).

Does IVF increase risk of autism?

IVF Children May Have Higher Odds of Autism: Study. THURSDAY, March 19, 2015 (HealthDay News) -- Children conceived through assisted reproductive technology, such as in vitro fertilization, are twice as likely to have autism as those conceived without assistance, a new study finds.

Do IVF babies have better genes?

Most differences in DNA binding compounds found at birth in children conceived by IVF not seen in early childhood. NIH study results bolster previous studies finding no growth, development differences with IVF.

Do IVF babies have more birth defects?

Overall, IVF infants' odds of having birth defects were 1.25 times greater than those of naturally conceived infants with similar maternal characteristics.

Are IVF babies born on their due date?

Only 5 out of 100 babies are born on their assigned due date. We aren't able to predict the day a baby will be born with 100% accuracy, even when you conceived with fertility treatment.

Do IVF pregnancies gain more weight?

Gaining weight during IVF is common, but not every woman experiences this. Bloating does explain some of this weight gain, but fortunately, this settles with time. Changes in activity levels are the likely reason that some women gain weight. Stress and mood changes can be a trigger for over-eating during IVF treatment.

What week are IVF babies usually born?

Results: The mean gestational age at delivery of the IVF group was 38.13 +/- 1.72 weeks, slightly shorter than spontaneously conceived singletons at 38.65 +/- 1.79 weeks.

Do IVF babies have mental health issues?

Results The risk of mental disorders in children born after in vitro fertilisation or intracytoplasmic sperm injection was low, and was no higher than in spontaneously conceived children, except for a borderline significant increased risk of tic disorders (hazard ratio 1.40, 95% confidence interval 1.01 to 1.95; ...

Are IVF babies depressed?

Depression/anxiety disorder

(2009a) of parental and teacher observations reported that more IVF children scored in the borderline/clinical range on the syndrome scale withdrawn/depressed behaviour compared with their spontaneously conceived counterparts.

Do IVF babies have depression?

BABIES conceived through fertility treatments are a third more likely to suffer from psychiatric problems than children born naturally, a major study has concluded. Although the increased risk was described as “modest”, researchers found the problems persisted throughout childhood into adulthood.

Why are IVF babies induced?

“Because conceiving is hard and the baby is treated as precious, so to avoid any complication, doctors may induce a slightly early delivery,” he says. It is also common knowledge that often in IVF cycles, there is a multiple embryo transfer that result in twins and triplets.

What are the disadvantages of IVF treatment?

Risks of IVF include:

  • Multiple births. IVF increases the risk of multiple births if more than one embryo is transferred to your uterus. ...
  • Premature delivery and low birth weight. ...
  • Ovarian hyperstimulation syndrome. ...
  • Miscarriage. ...
  • Egg-retrieval procedure complications. ...
  • Ectopic pregnancy. ...
  • Birth defects. ...
  • Cancer.

Can IVF mothers breastfeed?

IVF mothers need to be counselled. They can consult the gynaecologist who will sensitise the patient about how milk production works and the overall benefits of breastfeeding. It is only when the baby suckles that the milk production increases.

Why is IVF pregnancy high risk?

IVF increases the likelihood of twins, triplets or high-order multiples, with accompanying risk for premature birth, high blood pressure, placenta abnormalities and other challenges. Advanced maternal age (often the reason for IVF) increases risk for miscarriage and birth defects.

Can IVF prevent autism?

Sex selection in IVF as a method of avoiding autism has been approved for the first time by health authorities in Western Australia... Children born following IVF have no increased risk of autism but may be at a very small increased risk of intellectual disability, a Swedish study suggests.

Are most IVF babies healthy?

Having considered all the facts, IVF is still a boon to those who are unable to expect a baby in a normal process. The majority of the babies born through this process are healthy both physically and mentally. This, itself, assures the success of the process.