Having twins or multiple pregnancy seems to be the desire of most couples who undergone fertility treatment.

“Oh, I wish I had twins, I hope I have twins, why not have two at a time? Pleading to their doctors. What could be better than completing your family in one go, with twins or even more babies? However the reality is that for many twins and triplets, life can be fragile and difficult.

Reproductive specialists are always being pressured by couples to put in more than two embryos during their IVF treatment. Putting in more embryos would result in higher pregnancy rate but the rate of higher order multiples such as twins and triplets also increases.

At present, about 1 in 4 IVF pregnancies lead to a multiple birth. This means that after IVF/ICSI, you are around 20 times more likely to have a multiple pregnancy than you would be if you have conceived naturally. Women should understand that the human womb was created for just one baby. Having two is fun but three is a crowd for a small womb.

Yes, we do understand that having twins or multiples are fun, but it is not without risks. Compared to having one baby, twins and other multiples are more likely to have serious and even life threatening health problems. The risks may involve both the mother and baby.

It can cause early or late miscarriage more than singleton. Medical condition risks such as gestational diabetes and pregnancy induced hypertension tend to be higher in women with multiple pregnancies.

Women with gestational diabetes will have the risk of sudden intra uterine death which can be devastating to women who have been waiting long to get pregnant.

Twins are five times more likely than single-birth babies to die within a month of birth. There are many reasons for this which includes being born prematurely i.e. born before the actual expected time, small size of the baby (low birth weight) and possibly birth defects which include cerebral palsy. Cerebral palsy is more likely found in premature babies.

At least half of twins are born before 37 weeks and with low birth weights, making them at high risk of serious health problems and death. Many are born before 35 weeks, when they often need neonatal care.

Twins also have higher risk of anemia or low hemoglobin during pregnancy. Hemoglobin carries oxygen, and if the oxygen is low, it will affect the growth of the baby in the womb. The women will also have a higher risk of bleeding following delivery. Bleeding can also take place before delivery.

Emotional risk tends to be higher in those with twins. It can be costly emotional roller coaster to go through IVF treatment but having premature babies can add to the psychological burden. Hence their post natal recovery can be slow leading to postnatal depression or post natal blues.

During birth, mothers of twins are more likely to require intervention, more likely to experience serious problems and more likely to die than mothers of singletons.

Caesarean is common among twin births. Most women would request for Caesarean as generally they would not like to go through the risk of normal labor .Other reasons as to why Caesarean increases is because of higher risk of placenta praevia (low lying placenta), malposition of the first twins such as breech and the presence of medical conditions such as gestational diabetes and pregnancy induced hypertension.

Screening for chromosomal anomalies such as Down’s syndrome can be difficult and challenging for obstetricians. It will be difficult if one twin is normal and the other one has Down’s syndrome.

In identical twins who shared the same placenta, there is a 10% risk of twin to twin transfusion syndrome which can cause serious health problems and death. In this syndrome one of the babies received enough oxygen from the umbilical cord and the other one is being deprived of oxygen. The baby receiving less oxygen is because of less blood going to the baby. This problem does not occur in non identical twins.

Women with twins or multiples especially first time parents should also consider the potential problem of bringing up twins in relation to financial burden, difficulty in breast feeding and the psychological impact. These issues could lead to long term impact to the couple leading to separation of family in the future which is often overlooked.

These affect life with twins not just as babies but as they get older as well. Dividing care and attention between two children can be unexpectedly difficult. If women have twins or multiples, it is not the end of the world for you. You will need to have more checks with their obstetrician throughout the pregnancy. For those with triplets or more you have the option of fetal reduction.

This involves aborting one or more of the fetuses resulting in singleton or twins pregnancy. However this procedure is not without risks. It may cause miscarriage of all the fetuses. Having multiples can be fun but understanding the risks is very important before you embark on IVF treatment. It is my hope that this article will guide you on deciding the number of embryos to be put into your womb during your treatment.

Note: Dr. MOHD SUHAIMI HASSAN is a Consultant Obstetrician, Gynecologist & Fertility Specialist at the
Columbia Asia Hospital in Setapak.

One Is Nice, Two Is Fun, Three Is Crowded
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