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The #1 Resource & Support Network for Parents of Twins

The Second Year with Twins 21.5 Months Old

The Second Year with Twins 21.5 Months Old

Learn what to expect with your infant twins 21.5 months old, including tips, tricks, and advice from real twin parents who have been there.

All content on this website, including medical opinion and any other health-related information, is for informational purposes only and should not be considered to be a specific diagnosis or treatment plan for any individual situation. Use of this site and the information contained herein does not create a doctor-patient relationship. Always seek the direct advice of your own doctor in connection with any questions or issues you may have regarding your own health or the health of others.

Your Twins 21.5 Months Old

Welcome back returning twin parents! Hello and welcome to the new twin parents who are just finding us today!

You made it through your first 20 months as a twin parent and you’re now well into your 21th month of twin parenthood. What a huge accomplishment! Little known secret: we knew you could do it!

Now what? Well, this is a good place to start. We have plenty of information and resources to help you navigate twin parenting with your twins 21.5 months old.

Our twin parenting tips come from our very own experienced twin parents from around the world! These parents have all been there, done that, and are ready to share their tips and tricks with you.

This second year is full of excitement, questions, and even some anxiety. Not to worry, we’ve got your back. We’ve laid out all our best tips, tricks, and advice for twins 21.5 months old.

Got preemies? Make sure to consider your premature twins’ corrected age when reviewing whether or not they are meeting their milestones at appropriate times. In the vast majority of cases, preemies catch up by school-age and go on to succeed at the same level as their peers. Learn more about preemie developmental milestones here

The Second Year with Twins 21.5 Months Old
Twins 21 months old

What to Expect with Twins 21.5 Months Old

  • Your twinnies may start to show preferences for certain types of toys, games and playmates.
  • They can identify animals and birds in the real world from the pictures he say in books. Will also be able to identify people whose faces they saw in the family albums.
  • If you have a toddlers, they will have tantrums. Yes, they’re frustrating (and occasionally ear-splitting), but they’re also developmentally appropriate, and can be a release for some pent-up feelings of frustration.
  • Your twinnies are growing in terms of their senses. This makes them even more curious about how different things smell, taste, look, feel and sound. Most of all, he will be curious about how things work.
  • Now is a good time to start teaching your toddler about the concept of time. A good place to start — talk about your schedule.
  • Some toddlers start to pick up the pace, graduating from walking to running between now and the age of 2. Expect a few tumbles along the way!
  • At this age, toddlers need 7 milligrams of iron per day. Heme iron, found in beef, chicken, eggs and salmon, is more easily absorbed than non-heme iron, found in dark leafy greens and hummus.
  • Shopping trips are more like shopping expeditions — you spend more time wrangling your tot into the cart than you spend picking out produce.
  • Toddlers need about 11 to 14 hours of sleep a day, including an afternoon nap that lasts for about one-and-a-half to two-and-a-half hours.
  • If you haven’t already, look into joining a local moms of multiples club (aka twin club). Read about local twin clubs here or join our Twiniversity monthly twin club on Zoom by signing up for a Twiniversity Membership.
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Common concerns from the moms who have been there with twins 21.5 months old

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The Twins Tale Podcast by Twiniversity is an intimate look into the lives of twin parents and their twins at all ages and stages, from birth through college. We interview twin parents in the trenches and ask all the burning questions you want to know about raising twins: schedules that work, feeding your twins, getting out of the house, finding sanity, and so much more. Subscribe for FREE today!

Milestones & developmental leaps parents have noticed with twins 21.5 months old

What’s going on with development in twins 21.5 months old?

  • Your twinnies can hold and use a spoon, pen or a marker better than ever.
  • Will push or pull furniture or even large toys like a toy car, a wagon or a baby stroller.
  • Will be able to stack 4 to 6 blocks one on top of the other.
  • Can distinguish the relative size of objects that look similar, like which ball is big and which one is small, for instance.
  • Copies your actions, like patting the cheeks, holding ears, covering the eyes, opening the mouth, etc.
  • Your littles can point out to parts on the bod like eyes, nose, teeth, feet, hand, etc.
  • Will use 2 or 3-word expressions to indicate how they feel and represent their different ideas.
  • Your toddlers are getting better at both walking and running short distances confidently.
  • You will often see them trying to jump. They may be able to the going down part of the jump but probably not the lifting their foot off the ground as much.
  • Will flip electrical switches on and off repeatedly (yes it can get annoying at times but definitely not for them, as from their world view, it is kind of ‘magic’).

Inform your doctor if your child:

  • Doesn’t point to show things to others
  • Can’t walk
  • Doesn’t know what familiar things are for
  • Doesn’t copy others
  • Doesn’t gain new words
  • Doesn’t have at least 6 words
  • Doesn’t notice or mind when a caregiver leaves or returns
  • Loses skills they once had
The Second Year with Twins 21.5 Months Old
twins 21 months old

Challenges you might experience with twins 21.5 months old

There are some challenges to look out for with twins 21.5 months old

Tips from Parents of Twins 21.5 Months Old

Take some tips from experienced twin parents!

  1. Give simple choices. Let your twinnies choose between two things. For example, when dressing, ask them if they want to wear the red or blue shirt.
  2. Expect tantrums. They are normal at this age and should become shorter and happen less often as your twins get older. 
  3. Play with your twinnies by rolling balls back and forth, pushing toy cars, and putting blocks or other items in and out of containers.
  4. If you haven’t yet, introduce caregivers starting with someone in the close family. Make him get used to being with them for 30 to 45 minutes and gradually increase the duration over time.
  5. Use positive words and give more attention to behaviors you want to see. Give less attention to those you don’t want to see.
  6. Take more pictures than you think you should. They will LOVE to look at them with you soon!
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Feeding and nap schedule for twins 21 months old

You’re really going to want a schedule for your twins! Be adaptable, but try to be as consistent as you can. Here is a suggested feeding and nap schedule for twins 21 months old. You will notice that milk is primarily given in addition to a meal, not used as a meal itself now.

  • 7:00 am — Wake up time!
  • 7:30 am — Breakfast with Milk
  • 8:00 am – Playtime 
  • 9:30 am — Snack Time
  • 11:45 am — Lunch with Milk
  • 12:30 pm — Quiet Time before Nap Time
  • 12:45 pm — Lights out for Afternoon Nap
  • 3:15 pm — Wake up from nap
  • 3:30 pm — Light Snack
  • 3:45 pm — Playtime
  • 5:30 pm — Dinner
  • 6:30 pm — Bath and Bedtime Routine
  • 7:30 pm — Lights Out

Do the best you can every day to keep them on the same feeding and sleeping schedule. When you get off track try again for the next feeding or nap.

Do everything in your power to feed your twins together to make sure you get breaks. If they are on opposite feeding schedules, you will never get a break — and you deserve one!

Are You a New Twin Parent?

Check out Natalie Diaz’s book:
What To Do When You’re Having Two
The Twin Survival Guide From Pregnancy Through the First Year

what to do when you're having two book

In What to Do When You’re Having Two: The Twins Survival Guide from Pregnancy Through the First Year, national twins guru and founder of Twiniversity (and twin mom herself!) Natalie Diaz provides a no-holds-barred resource about life with twins, from pregnancy and birth all the way through your duo’s first year of life.

Accessible and informative, What to Do When You’re Having Two
 is the must-have manual for all parents of twins.

When to call the doctor 

It’s better to overreact 100% of the time than to underreact once.

Natalie Diaz, Twiniversity Founder and Mom of Twins

All content on this website, including medical opinion and any other health-related information, is for informational purposes only and should not be considered to be a specific diagnosis or treatment plan for any individual situation. Use of this site and the information contained herein does not create a doctor-patient relationship. Always seek the direct advice of your own doctor in connection with any questions or issues you may have regarding your own health or the health of others.

When it comes to calling your doctor or seeking medical advice, you have to learn to trust yourself. If you feel something isn’t right, it probably isn’t when it comes to your twins. When in doubt, call. That’s why the offices have an answering service and staff on call at night or on the weekends.

That being said, there are a few guidelines to follow. There are a few circumstances under which you should call your doctor and get medical advice, or even call 911. When you call you should have a pen and paper handy and be prepared to give the following information over the phone:

  • Immunization records
  • Any medications, dosages, and times last taken (even over the counter drugs)
  • Medical history
  • Your baby’s temperature
  • Mention that the baby is a twin, in case of a contagious illness

Any time you see the following symptoms with your twins you should contact your pediatrician immediately.

  • Blood in vomit 
  • Blood in stool
  • Seizure
  • Suspected poisoning
  • Bleeding you cannot stop
  • Unable to move
  • Limpness
  • A rectal temperature of 100.4 or above
  • Sleeps more than usual or will not wake up
  • Yellow skin or eyes

Call your doctor as soon as possible if one or both of your twins experiences any of the following.

  • Refusal to eat for multiple feedings in a row
  • Diarrhea or vomiting 
  • A cold that will not resolve itself or gets worse
  • Unexplained rash
  • Signs of dehydration (no tears, no wet diapers, sunken eyes, sunken soft spot)
  • Ear drainage
  • Will not stop crying

When to call 911

Please note that when you call 911, you and your baby will be taken to the nearest emergency room. This may or may not be located at your preferred hospital.

  • Your baby is turning blue or taking more than 60 breaths per minute
  • Your baby has a seizure which lasts more than 3 minutes or you cannot reach their doctor by phone immediately
  • Suffers from convulsions, unconsciousness, or irregular breathing following a fall or from bleeding
  • You think your baby may have a skull, neck, back, or pelvic fracture (DON’T move your baby)
  • Your baby suffers from a compound fracture where bone is sticking out from the skin (cover it with a clean cloth and do not touch it)
  • Your baby has bleeding you cannot stop after applying pressure for 10 minutes

Again, learn to trust your gut.  When in doubt, call and see what your doctor thinks.  Believe it or not, they’re happy to help.

What you should read for twins 21.5 months old

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Check out our Twiniversity Memberships today!

We know that twin parenting can be very isolating and overwhelming. No one else will truly GET YOU like other parents of twins. That’s why we launched Twiniversity Memberships as a way to offer our twin parents more ways to connect with other twin parents (virtually) and gain more parenting education. Highlights of these memberships include monthly Twiniversity twin club meetings hosted on Zoom, a private Facebook group just for twin parents to ask questions, and a learner library with exclusive videos of Nat’s tips and tricks for twin parenting. Click here for all the details on what the memberships include!

Sources

Dr. Ilona Bendefy, Baby: Day by Day

Dr. Frans X. Plooij and Dr. Hetty van de Rijt, The Wonder Weeks

Marple, Kate, and Dawn Rosenberg. “When to Call 911: How to Tell If Your Baby Needs Emergency Care.” BabyCenter https://www.babycenter.com/0_when-to-call-911-how-to-tell-if-your-baby-needs-emergency-ca_10348508.bc

“Newborn Baby: When to Call the Doctor.” Cleveland Clinichttps://my.clevelandclinic.org/health/articles/9692-newborn-baby-when-to-call-the-doctor

“How Often and How Much Should Your Baby Eat?” HealthyChildren.orghttps://www.healthychildren.org/English/ages-stages/baby/feeding-nutrition/Pages/How-Often-and-How-Much-Should-Your-Baby-Eat.aspx.

“Your 21-Month-Old Child.” What to Expect, www.whattoexpect.com/toddler/21-month-old.aspx.

21 Month Old Baby Development Milestones. https://childhood.in/second-year/21-month-old-baby-development-milestones/

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