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Multiple Pregnancy: An Overview of Caring for Twins and More

By Dr. Rekha Ambegaokar in Gynaecology & Obstetrics

Jul 31 , 2026 | 7 min read

A multiple pregnancy occurs when a woman carries two or more foetuses simultaneously, such as twins, triplets, or higher-order multiples. In recent years, these pregnancies have become more common, largely due to the rise in fertility treatments like IVF and the trend of women starting families at a later maternal age.

In India, multiples are increasingly linked to fertility treatment; international and national guidance (including India's ART Act framework) increasingly favours elective single-embryo transfer where clinically appropriate, to reduce the higher risks that come with carrying more than one baby.

 

What is Multiple Pregnancy?

A multiple pregnancy occurs when a woman carries more than one baby at the same time. Twins are by far the most common form, though some pregnancies involve triplets, quadruplets, or more. Anything beyond twins is described as a higher-order multiple pregnancy, and these are relatively rare.

In natural conception, this can happen in one of two ways. Either more than one egg is released during ovulation, and each is fertilised by a separate sperm, or a single fertilised egg splits in the early days of development to form two embryos - the process that produces identical twins.


The Science Behind a Multiple Pregnancy

Understanding the biology of multiples is essential for modern prenatal care. Identical twins occur when a single fertilised egg splits into two, resulting in babies with the same genetic makeup. Fraternal twins, the most common type, happen when two separate eggs are fertilised by two different sperm.

Several factors are known to increase the likelihood of a multiple pregnancy.

  • Maternal age: Age is one of the most commonly cited factors. Women over 30, and particularly over 35, are more likely to release more than one egg in a single cycle - a result of rising follicle-stimulating hormone levels as ovarian reserve declines - which raises the chance of conceiving twins or triplets.
  • Heredity and genetics: A family history of fraternal twins, especially on the mother's side, increases the likelihood of conceiving twins.
  • Fertility medications: Drugs that stimulate ovulation, such as clomiphene and gonadotropins, can cause several eggs to be released in one cycle and are among the leading contributors to multiple pregnancy.
  • Assisted reproductive technology: Treatments such as IVF have historically involved transferring more than one embryo to improve the chance of success, which raises the likelihood of twins or higher-order multiples. Many clinics now favour single-embryo transfer to reduce this risk.

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How Do You Know It's a Multiple Pregnancy?

While every pregnancy is different, those carrying multiples may notice that symptoms feel more intense from the very beginning. Here are the common signs that may indicate you are expecting more than one baby:

  • Heightened morning sickness: The surge in pregnancy hormones may lead to more frequent or severe nausea and vomiting than in a singleton pregnancy.
  • Rapid weight gain: An earlier and more noticeable increase in weight and belly size is common as the body expands to accommodate multiple babies.
  • Extreme fatigue: Carrying more than one baby puts a significant demand on your energy levels, often causing exhaustion early in the first trimester.
  • Elevated hCG levels: Blood tests may show higher levels of the pregnancy hormone human chorionic gonadotropin.
  • Clinical ultrasound: An early-trimester scan is the only definitive way to confirm the number of foetuses and their heartbeats.

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Common Challenges in a Multiple Pregnancy

While most multiple pregnancies result in healthy babies, being aware of potential risks allows for early intervention and better outcomes.

  • Preterm labour: Twins and triplets are more likely to be born before the 40-week mark, making early monitoring for contractions essential.
  • Preeclampsia: Mothers of multiples have a higher risk of developing high blood pressure and protein in the urine during pregnancy.
  • Gestational diabetes: The increased hormonal load can affect blood sugar levels, requiring careful dietary management.
  • Twin-to-twin transfusion syndrome (TTTS): This is a condition where identical twins sharing a placenta have unequal blood flow. (Specifically, TTTS is a risk in monochorionic - shared-placenta - twins; DCDA twins are not at risk of TTTS.)
  • Intrauterine growth restriction (IUGR): Doctors monitor babies to ensure they are growing at a healthy, consistent rate.

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Warning Signs to Watch for During a Multiple Pregnancy

Because multiple pregnancies carry a higher risk of preterm labour, pre-eclampsia, and other complications, it is important to know the warning signs - and to contact your obstetric team or go to hospital promptly if any appear. 

  •  A noticeable reduction in your babies' movements, or a change in their usual pattern
  • Severe or persistent headache, blurred vision, flashing lights, or upper-tummy pain - possible pre-eclampsia
  • Sudden swelling of the face, hands, or feet
  • Regular painful contractions before 37 weeks, or a low, tightening pressure that will not go
  • Any vaginal bleeding, or a gush or trickle of fluid (waters breaking)
  • Fever, severe vomiting that will not settle, or feeling very unwell

When in doubt, get checked - it is always better to be seen and reassured. 


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Delivery Planning for a Multiple Pregnancy

Preparing for the arrival of multiples involves specific logistical considerations that differ from a single birth.

  • Delivery method: While vaginal birth may be possible in selected twin pregnancies, a caesarean section may be recommended if the first baby is not head-down or if complications arise.
  • Foetal positioning: The positions of the babies throughout the third trimester will heavily influence the final birth plan.
  • NICU awareness: Because multiples are often born early, it is helpful for parents to understand the neonatal intensive care support available.
  • Medical staffing: Multiple births usually require a larger team in the delivery room, including paediatric or neonatal specialists for the babies.

A note on planned timing: Multiples are usually delivered earlier than singletons by design, not just by chance. For uncomplicated pregnancies, current obstetric guidance typically supports planned delivery around 37 weeks for dichorionic-diamniotic (DCDA) twins and around 36 weeks for monochorionic-diamniotic (MCDA) twins, with earlier planned timing for monochorionic-monoamniotic (MCMA) twins and triplets. 

 

Self-Care and Lifestyle Adjustments

Maintaining your wellbeing while carrying multiples involves both physical and mental adjustments. As the pregnancy progresses, managing physical discomfort like back pain and pelvic pressure becomes a priority. Using pregnancy pillows and staying hydrated can help improve sleep and reduce swelling.

Logistically, you will need to plan for additional baby essentials, from car seats to cribs, which requires early financial preparation. It is also important to focus on mental health. Parents of multiples may face a higher risk of postpartum stress and depression due to the intense demands of newborn care. Seeking support groups or speaking with a counsellor can provide a vital emotional safety net during this life-changing transition.

Breastfeeding twins is very possible with the right support - a lactation consultant can help with feeding positions (including tandem feeding), latch, and building your milk supply for two babies. Do not hesitate to ask for this help early.

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Conclusion

Caring for twins or more is a remarkable experience that requires patience, resilience, and the right medical support. While the journey involves more frequent hospital visits and extra physical demands, your body is nurturing multiple lives at once. By staying well-informed and working closely with your healthcare providers, you can ensure a safe path toward your delivery day. Remember to lean on your support system and prepare your home early to make the transition smoother.

Frequently Asked Questions

1. How much weight should I gain with twins?

Most women carrying twins may be advised to gain around 17 to 25 kilograms, depending on their starting body mass index and overall health.

2. Is bed rest mandatory for all multiple pregnancies?

No, routine bed rest is not always required, but your doctor may recommend reduced activity if complications like early labour occur.

3. Can I still exercise while carrying multiples?

Low-impact activities like walking or prenatal yoga may be encouraged, provided your doctor confirms it is safe for your specific case.

4. What are my chances of having identical vs fraternal twins?  

Fraternal (non-identical) twins are more common overall and are more likely with fertility treatment, family history on the mother's side, and older maternal age. Identical twins occur at a fairly constant rate worldwide (around 3–4 per 1,000 births) and are not usually influenced by family history.

5. Will I definitely need a caesarean section with twins?  

Not necessarily. A planned vaginal birth can be offered when the first baby is head-down, and there are no other concerns; a caesarean may be recommended if the first baby is not head-down, in some monochorionic pregnancies, or if complications arise. The final plan is personalised.

6. Are IVF twins riskier than naturally conceived twins?  

Multiple pregnancy in general carries higher risks than a single pregnancy - regardless of how it was conceived. This is one of the main reasons international and Indian guidance increasingly favours elective single-embryo transfer where clinically appropriate.

7. Can I breastfeed twins?  

Yes, most mothers of twins can breastfeed. A lactation consultant can help with positioning, latch, and building your supply, and many mothers combine breastfeeding with expressed milk, especially in the early weeks if the babies are in NICU. 

Disclaimer: This article is for educational purposes only and is not a substitute for professional medical advice. Contact your obstetrician promptly for any warning signs above, and go to hospital urgently for severe headache with visual changes, sudden swelling, a fit (seizure), heavy bleeding, ruptured membranes, or reduced foetal movements. 

Reference 

American College of Obstetricians and Gynecologists. Multifetal gestations: Twin, triplet, and higher-order multifetal pregnancies (Practice Bulletin 231).
https://www.acog.org/clinical/clinical-guidance/practice-bulletin/articles/2021/06/multifetal-gestations-twin-triplet-and-higher-order-multifetal-pregnancies

Royal College of Obstetricians and Gynaecologists.
https://www.rcog.org.uk/guidance/browse-all-guidance/green-top-guidelines/management-of-monochorionic-twin-pregnancy-green-top-guideline-no-51/

National Health Service. (2023). Pregnant with twins or more.
https://www.nhs.uk/pregnancy/finding-out/pregnant-with-twins/