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Second Trimester

27 Weeks Pregnant

Your baby is the size of a Rutabaga 🫛

🫛
Ashok Kumar Poudel
Written by
Ashok Kumar Poudel
Health & Wellness Writer
Dr. Bina Basnet
Medically reviewed by
MBBS, MD — Gynecologist & Obstetrician
Last reviewed:
Feb 2026
📏
Size
Rutabaga
📐
Length
36.6 cm
⚖️
Weight
875 g
🗓️
Trimester
Second
⏱️
Week
27 of 40

🌱 Baby Development at Week 27

Baby can now recognize your voice distinctly. Sleep cycles are 20-40 minutes long. The immune system is developing and baby receives antibodies through the placenta. Lungs are nearly ready but still need more development.

Recognizes your voiceReceiving antibodies from placentaLung development nearly complete

🤱 Common Symptoms

Third trimester approaching
Fatigue returns
Shortness of breath
Braxton Hicks contractions
Restless legs

🥗 Nutrition Tips

  • DHA omega-3 for brain and eye development
  • Continue vitamin D
  • Eat light dinners to improve sleep

🏃‍♀️ Exercise Tips

  • Leg stretches before bed for restless legs
  • Birth ball sitting for pelvic relief
  • Early bedtime for fatigue management

🏥 Medical Tests & Appointments

Third trimester begins at week 28Schedule 28-week visit

🔬 Hormone Changes

Cortisol rises to help finalize fetal lung development. Progesterone keeps uterus from contracting prematurely.

📖 Week 27 Pregnancy — In-Depth Guide

Congrats, you’re almost nearing the end of your second trimester. Your baby at this phase is breathing well, showing some brain activity and is approximately the size of an eggplant.

You’ve probably got a lot on your mind as well starting with thinking about your upcoming delivery date to finding the best pediatrician for your baby.

Expect some new and maybe embarrassing symptoms as you head into the third trimester such as having to pee constantly, but its temporary and part of a healthy pregnancy.

🩺27th Week Pregnancy Symptoms

First things first—the symptoms you’ve been experiencing in the past few weeks aren’t going to go away anytime soon. But on a brighter note, you’ve hopefully found a great way to cope with them.

That said, here are some of the symptoms you may experience in week 27 of pregnancy.

Backaches

these are most common and probably going to happen oftendue to the baby growing at an accelerated rate. To get some relief, consider switching sleeping positions and gently stretch your back.

Leg cramps
Leg cramps while Pregnant
Get some exercise and stretch your legs often and of course drink lots of water to stay hydrated.

Hemorrhoids

You may be feeling a bit strained to go to the washroom owing to the pressure your baby is putting on you, which can lead to an uncomfortable pregnancy symptom.

Constipation

If you feel clogged up and you’ve done the other remedies such as drinking lots of water, eating fibrous foods, and taking plenty of walks, speak to your doctor to see if a stool softener or fiber supplement is right for you.

Snissing

This maybe a new word for you, and means that you pee when you sneeze owing to the pressure your baby is putting on your bladder. Unfortunately, there is nothing much you can do about it, but you can make the frequent trips to the bathroom and maybe wear a pantiliner just in you happen to sneeze unexpectedly.

Skin, hair and nail changes

Skin, hair and nail changes during pregnancy

This is one of those unpredictable pregnancy symptoms, where you may notice your skin, hair and nails getting thicker or even growing faster than before.

If you’re pregnant with twins, you have great chances of entering preterm labor, so don’t be surprised

If you notice any pregnancy symptoms that are unusual such as watery discharge, abdominal pains, bleeding or repeated contractions, and contact your doctor immediately when you do.

🤰Inside your Belly in Week 27

You are probably already used to the weigh you’ve been gaining all through your pregnancy, and a healthy gain when you’re 27 weeks pregnant is around 15 to 30 lbs.

If you have gained a little over that number, your doctor will probably recommend keeping tabs on it. This may sound a bit disheartening, but your doctor will be the best position to provide the best tips to keep tabs on your weight.

ultrasound image on week 27

By complying with these tips, you will not only keep your weight in check, but will also greatly reduce the risk of pregnancy complications and preterm labor. You’ve probably gained a lot more weight if you’re pregnant with twins—somewhere around 29 to 44 lbs,

But your twin babies are growing at the same rate as a single baby. Your baby (s) is quite active when you’re 27 weeks, where you may be feeling the kicks and nudges much more often and stronger.

📷27th Week Pregnant Ultrasound - What to Expect ?

ultrasound image on week 27

Your baby at 27 weeks is practicing their inhaling and exhaling skills with their rapidly developing lungs. If you’re pregnancy has been normal so far, you probably won’t have a 27 week ultrasound,

But you will most likely have two doctor visits per month starting next week.

👶Your Baby's Development in Week 27

Your baby when you’re 27 weeks weighs approximately 1.93 lbs and measures 14.41 inches. He/she is sleeping and waking at regular intervals and perhaps even sucking their fingers.

Owing to your baby developing brain tissue at a high rate, your baby is much more active now than they were in your previous weeks of pregnancy.

baby growth inside belly at week 27

In other major developments in week 27 , your baby will most likely be able to taste whatever you eat such as, if you eat sweet foods, he/she will be able to taste that difference in the amniotic fluid.

Pregnancy Week 27 Checklist

Make a birth plan
Pick a pediatrician
Practice labor exercises
📅 Track Your Pregnancy:Due Date CalculatorSymptoms by WeekTrimester Guide← Week 26Week 28

Frequently Asked Questions

Common questions answered by our medical team

At 27 weeks, your baby is approximately the size of a Rutabaga (🫛). Baby can now recognize your voice distinctly. Sleep cycles are 20-40 minutes long. The immune system is developing and baby receives antibodies through the placenta. Lungs are nearly ready but still need more development.

← Week 26Calculate Your Due DateWeek 28

🔗 Related Second Trimester Resources

First Trimester
Weeks 1–13 guide
Third Trimester
Weeks 28–40 guide
Trimesters Explained
Guide to all three trimesters
Symptoms Week by Week
What to expect each week

All Pregnancy Weeks

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