Twins

The Top 5 Differences Between Twin And Singleton Pregnancy

What are the top 5 differences of twin vs singleton pregnancy? As a mom of twins plus one I have had both a twin pregnancy experience and a singleton pregnancy experience.

Based on my personal experiences, in this post I am sharing what I thought the biggest differences were between twin and singleton pregnancy.

Please note, there are affiliate links in this post. Read my disclosure policy to learn more.

What Is a Twin Pregnancy?

There is a good chance you already know what a twin pregnancy is, but just in case, a twin pregnancy is when there are two fetuses in a mom’s uterus as opposed to one.

There are different types of twin pregnancies too. A mom could be pregnant with either identical twins or fraternal twins.

Identical twins happen when a fertilized egg splits in the uterus, whereas fraternal twins come from two eggs being fertilized separately in the uterus.

What Are The Signs & Symptoms of First Trimester Twin Pregnancy?

How can you tell if you are pregnant with twins in the first trimester? The reality is there no way to know for sure without an ultrasound confirming a twin pregnancy.

If fraternal twins run on the mom’s side of the family, you have a higher chance of becoming pregnant with twins. Additionally, if you have used fertility treatments, you might have a higher risk of developing a twin pregnancy.

Typical first trimester pregnancy symptoms could be more exaggerated for a twin pregnancy vs a single pregnancy. This would include, but not be limited to, nausea, exhaustion, and tender / swollen breasts.

The biggest differences between twin pregnancy and singleton pregnancy.

The Top Differences Between Singleton and Twin Pregnancy

Now that we have reviewed types of twin pregnancies and also some typical first trimester pregnancy symptoms. Let’s discuss the five biggest differences between a singleton and twin pregnancy.

I hope this list helps you get a little bit of a better understanding of what to expect when you are expecting twins.

1. Twin Pregnancy Ultrasounds

Expect to have way more ultrasounds during a twin pregnancy. The ultrasounds are used to monitor that both twin babies are growing at a normal rate.

To give you an idea of what to expect, with my twins, I had an ultrasound every month, during the first 5-6 months. After that, until 34 weeks of pregnancy, I had an ultrasound every two weeks.

My twins were born in week 35, but if I had stayed pregnant longer, I would have had an ultrasound weekly until birth. To give you an idea of how different this is than a singleton pregnancy, with my twin pregnancy I had at least 10 ultrasounds.

Meanwhile, with my singleton pregnancy, I only had 2 ultrasounds. One of the two ultrasounds during my singleton pregnancy was due to bleeding during the first trimester of pregnancy (everything was fine).

And, the other one, was the typical 20 week ultrasound.

2. Third Trimester Mobility

I’m guessing this is probably not a huge surprise, but moving and walking around when pregnant with twins was much harder during the third trimester.

Since twins are usually born earlier than singletons the length of time you will be uncomfortable might end up being shorter. But, more importantly, the longer you keep those babies inside you the better.

3. Feeling Movement In Twin Vs Singleton Pregnancy

This one surprised me. I felt my singleton moving around so much more than I did the twins.

It seemed like he was having a party in there. When you think about it, it does make sense. My singleton had so much more space!

So, even though you might think two babies would mean feeling a crazy amount of movement in your belly, the limited amount of space actually reduces how much movement you feel.

4. Delivery Of Twins

Deliveries for both of my pregnancies were done vaginally. Twin pregnancy deliveries are different because even if you are delivering vaginally there is a good chance you will deliver in an operating room.

Having twins delivered in an operating room is common practice due to the higher risk of needing an emergency C-section. Additionally, there were about five more people (doctors, nurses, etc) in the delivery room for the twins than during the delivery of my singleton.

It was definitely a lot less stressful for my singleton pregnancy to deliver in the normal delivery room. There were less people, I didn’t have to relocate, and there less commotion.

5. Swelling In Twin Vs Singleton Pregnancy

The amount of swelling in my ankles during my twin pregnancy was extreme. I felt like I was walking around with water balloons around my ankles.

I even remember one doctor taking a look at my ankles during an appointment and just saying “I’m sorry”. Yeah, that didn’t feel great.

There wasn’t anything the doctors could do to help the swelling. I was instructed to keep my ankles elevated as much as possible, wear compression stockings (if I wanted to), and to avoid wearing tight socks.

At least, the swollen ankles didn’t mean there was anything wrong with me or the pregnancy. Pregnancy causes there to be extra fluid in your body. And, growing two babies caused the amount of fluid to be much more than with a singleton. 

This extra fluid is what led to the increased amount of swelling during my twin pregnancy. On the other hand, I experienced minimal ankle swelling with my singleton pregnancy.

Twin & Single Pregnancy: Something That Was The Same

One thing that really surprised me was that my morning sickness during the first trimester was the same in both my twin pregnancy and singleton pregnancy.

I thought I would feel much better during the first trimester with my singleton, but, unfortunately that was not the case. I was just as tired and just as nauseous.

5 things that are different with twin pregnancy.

Twin Pregnancy Belly Pictures

Before I sign off, I wanted to also discuss belly size in a twin pregnancy when compared with a singleton pregnancy. It probably seems obvious, but yes, you are growing two babies and therefore can expect your belly to be larger with twins.

You might be wondering how much bigger and I cannot give an exact measurement, but this article will give you a good feeling with week by week photos of one mom’s twin pregnancy growth.

Now you know some of the biggest differences between singleton and twin pregnancy.

If you are currently pregnant with twins or pregnant after twins and having a singleton, I hope this post helps you get a better understanding on what you might expect.

Lastly, for those currently pregnant with twins, we have a lot of twin pregnancy resources available to help you. To start you will want to check out our twin baby registry checklist post.

And, in conjunction with this, you can also sign up to receive a FREE customized twin baby registry guidebook and a FREE printable twin baby registry checklist. You will receive a twin registry book customized for the sex of your babies, if you will be breastfeeding, and how many floors you have in your home.

Picture of twin baby registry guidebook

FREE, CUSTOMIZED Twin Baby Registry Guidebook

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And that wraps up our post on the biggest differences in twin vs singleton pregnancy. If you are currently expecting, good luck with the rest of your pregnancy.

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