Research has found that twins are more likely to be born prematurely, require a caesarian delivery, have low birth rate and a higher risk of birth defects, and, because of all this, to be more at risk of stillbirth than a single baby.
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Are twins more successful than singletons?
Conclusions These data support the proposition that twins perform less well academically than singletons. Low birth weight has a negative association with subsequent academic achievement in early adulthood, with the effect being stronger for twins than for singletons.
How are twins different from singletons?
Singletons interact with you, family members, and friends. Twins, in addition to you, family members, and friends, have a constant companion with whom they have been interacting even before birth. Twins offer a unique opportunity for parents to observe how their children interact with each other.
Are twins easier than singletons?
Twins are easier than one baby, or as us twins moms call one baby: a singleton. That’s right, my twins are easier that my son was on his own, or my oldest daughter was on her own. Of course, there are a lot of factors, like the fact that my almost one-year-old old twins are happy babies by nature.
Are twins as healthy as singletons?
Background: Twin pregnancy is associated with more pregnancy complications and poorer pregnancy outcome than singleton pregnancy.
Why do twins have lower IQ?
At age 7, the mean IQ score of twins was 5.3 points lower than that of singletons in the same family, and at age 9, the score was 6.0 points lower. The lower intelligence of twins in childhood may partly be a consequence of the reduced fetal growth and shorter gestations of twins, say the authors.
Are twins smarter than singletons?
Twins on the average seem to have lower IQs than singletons. The best estimate for this group difference is 4.2 IQ points (less than one-third of a standard deviation), with a great divide between study outcomes of less vs more recent birth cohorts (5.1 vs 0.5 IQ points, respectively).
Is carrying twins harder than one?
7: If you’re pregnant with twins, you may gain more weight than if you’re carrying one child. “With twins, mothers gain more weight as there are two babies, two placentas, and more amniotic fluid,” says Al-Khan. “You also need more calories for twin pregnancies.”
Do twins have lower cognitive ability than singletons?
Most recently, a study was reported that used the Netherlands twin registry to look at differences within families in cognition between 260 adult twins and 98 of their singleton siblings. This found no evidence for a difference in cognitive ability between singletons and twins in the same family.
Are twin bellies bigger?
Your belly may grow bigger, and you may gain more weight, sooner. Talk to your doctor about how much you might expect to gain. When you’re carrying twins, you and your babies may be tested and checked more than you would for a single-baby pregnancy.
Is raising twins twice as hard?
“Having twins is not twice as hard—it’s exponentially more difficult,” says Natalie Diaz, author of What To Do When You’re Having Two and CEO of Twiniversity, a global support network for parents of twins. Diaz would know.
At what age do twins get easier?
Some say that twins are always hard (yet amazing), while others say they truly didn’t find them to be difficult. A few said that the first two months with twins are easy (being in the rose-colored glasses phase), then reality hits from months 3-6 (when the sleep deprivation catches up), then it can get easier again.
Are twins happier?
They examined reported levels of happiness in 1,300 sets of identical and fraternal twins. Identical twins reported similar levels of happiness, while fraternal twins exhibited greater variation in their reported sense of well-being.
Are twins less healthy?
Multiples are about twice as likely as singleton babies to have birth defects, including neural tube defects (such as spina bifida), cerebral palsy, congenital heart defects and birth defects that affect the digestive system. Growth problems. Multiples are usually smaller than singleton babies.
Do twins grow slower than singletons?
Multiples do tend to be born smaller than single babies. But it’s not because their growth rate is necessarily slower — in fact, for twins, it’s about the same as any other baby’s until about weeks 30 to 32, when they do slow down a tad, since they’re competing more for nutrients.
Do twins end up shorter?
The fixed-effects regression analysis of the sibships that included both twins and singletons showed that the twins were 0.9 cm (95% confidence interval: 0.6, 1.2) shorter than were their singleton brothers.
Is high IQ genetic?
Researchers have previously shown that a person’s IQ is highly influenced by genetic factors, and have even identified certain genes that play a role. They’ve also shown that performance in school has genetic factors.
Can twins be more intelligent than others?
The answer to this question is “no.” The reason for this is that variation in intelligence may be grounded in genetic material that identical twins do not share. So the environment could affect intelligence a lot less than we once thought.
Do twins have worse outcomes?
Children born as twins have a greater likelihood of poor neurodevelopmental outcomes compared to singletons when birth weight and gestational age are not controlled for (Lorenz, 2012).
Do twins have the same IQ?
Researchers found that the twins had “substantial differences” in their IQ. Tests revealed that the adopted twin had an IQ 16 points lower than her long-lost sister. This contradicts existing research that says identical twins usually have no more than 7 points difference in their IQ.
Are identical twins less smart?
This is supported by a Dutch study of adult twins, which found no significant difference in IQ between singletons and twins from the same families.