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Child Growth, Signs, and Extra

At 31 weeks pregnant, your child is working towards among the abilities they’re going to want after beginning like blinking and respiration. Your physique could also be working towards, too—with Braxon Hicks contractions and probably some leaking colostrum.

31 Weeks Pregnant Is How Many Months? 7 months and three weeks

Which Trimester? Third trimester

How Many Weeks to Go? 9 weeks

Your Child’s Growth at 31 Weeks

At 31 weeks, a child is greater than 11 inches (28.3 centimeters) from the highest of their head to the underside of their buttocks (generally known as the crown-rump size), and child’s top is about 15 3/4 inches (40.3 centimeters) from the highest of their head to their heel (crown-heel size). This week, the child weighs round 3 3/4 kilos (1,707 grams).

Verywell / Bailey Mariner


As early as 31 weeks, ultrasound can choose up the tiny actions of your child’s eyelids blinking. Analysis exhibits that infants at 31 weeks blink very slowly—roughly 6 to fifteen occasions an hour (in comparison with adults, who blink 19–20 occasions per minute).


Because the lungs proceed to mature, your child continues to be engaged on these respiration abilities. Respiratory actions improve from 10% to twenty% at 28 weeks to 30% to 40% after 30 weeks.

Survival Exterior the Womb

At 31 weeks, a child is within the final week of the very preterm class. With every week {that a} child completes in utero, the probabilities of survival with out disabilities associated to prematurity get higher. Infants will nonetheless require particular care within the NICU for a minimum of just a few weeks, however at 31 weeks, the speed of survival is as much as 99%.

Discover just a few of your child’s week 31 milestones on this interactive expertise.

The way to Put together for Child: What Do You Actually Want?

Your Frequent Signs This Week

Whether or not you’re planning to breastfeed or not, at 31 weeks pregnant, your breasts are preparing. In actual fact, you will have even seen both a creamy, yellowish, or skinny, watery substance often leaking out of your nipples. Your uterus can be probably preparing for labor with some observe contractions.

Leaky Breasts

Throughout being pregnant, your breasts develop and put together to make milk on your child. You start to make a really small quantity of the primary milk, generally known as colostrum, as early as week 16. It might even start to leak out of your nipples within the second trimester, but it surely’s extra widespread to see leaking in the course of the third trimester.

What Specialists Say

“About half of all pregnant girls will expertise this kind of leakage within the third trimester. Whether or not your breasts leak colostrum or not on no account displays your physique’s potential to supply breast milk.”

—Allison Hill, MD, OB/GYN

Braxton Hicks

If you have not already skilled the occasional tightening of your uterine muscle mass, you might start to really feel them now. You probably have been feeling them, they may begin getting stronger. In contrast to efficient contractions, Braxton Hicks are irregular, go away with exercise, and don’t transfer nearer collectively or improve in depth. Take these dry runs as alternatives to observe among the respiration and coping mechanisms you’ve realized in birthing class.

You should definitely talk about any improve in uterine contractions along with your supplier.

Self-Care Suggestions

How you propose to feed your child is a private choice. Identical to you have thought of your beginning preferences to share along with your supplier and beginning help workforce, use the time earlier than the child arrives to weigh feeding choices and determine what feels greatest for you and your loved ones.

Issues About Leaking

It may be surprising or scary to note a discharge out of your nipples once you aren’t anticipating it, however a small quantity of leakage throughout being pregnant is regular. Here is what it is advisable know:

  • A small quantity of colostrum might leak throughout sexual exercise, and it is regular.
  • Not all anticipating mother and father leak colostrum, so that you should not fear if do not see it; a scarcity of leakage does not imply that your breasts aren’t on the point of make breast milk—they’re!
  • Whereas a small quantity of white or yellow discharge is regular, it’s best to all the time really feel comfy calling your physician to debate any adjustments that concern you.
  • You possibly can put on a tissue or nursing breast pad in your bra to stop stains.
  • You do not make a considerable amount of colostrum, so if you happen to expertise leaking throughout being pregnant, you might solely discover a drop or two or a stain in your bra.

Think about Your Feeding Choices

It’s a very good wager that you simply’ve been mulling over your baby-feeding choices for some time now. Along with studying up on breast and bottle feeding, ask your supplier, a lactation advisor, in addition to family and friends concerning the professionals and cons of various strategies. Questions you may ask embody:

Listening to a variety of views and experiences may also help you establish what you’d love to do. As you close to your anticipated due date, you may additionally wish to:

Your Week 31 Guidelines

  • Take the chance to observe childbirth respiration throughout Braxton-Hicks contractions.
  • Have interaction in some secure bodily exercise that you simply get pleasure from.
  • Discuss to a lactation skilled and different mother and father to be taught extra about feeding choices and help.
  • Talk about your emotions about feeding your youngster along with your accomplice.
  • Discuss to your physician about any signs that concern you.

Recommendation for Companions

Exploring feeding choices along with your accomplice may be one of many extra irritating facets of transitioning to parenthood.

What Specialists Say

“When contemplating feeding choices, it is essential for you each to evaluate, in an ongoing manner, what you every count on to do, and, finally, what’s life like for you and your new child. Typically, parental stress occurs when there’s a niche between expectations and actuality. Even a easy, well-intended query, like, ‘Are you planning on breastfeeding?’ could be a loaded one.”

—Shara Marrero Brofman, PsyD

When speaking about these selections, use your phrases properly. Tread fastidiously in conversations about feeding strategies. As a substitute of asking, “Are you planning on breastfeeding?” ask, “How do you assume we should always feed our child?”

Upcoming Physician’s Visits

You’ll probably be again at your supplier’s workplace once more subsequent week for an additional prenatal checkup. For essentially the most half, it is going to be the identical outdated routine.

Along with the standard checks, your supplier would possibly provide the whooping cough (pertussis) vaccine (additionally known as Tdap) between 27 and 36 weeks.

Should you fall right into a high-risk class, your supplier would possibly schedule prenatal checks beginning subsequent week. These checks would possibly embody:

Particular Concerns

Amniotic fluid is the liquid that surrounds and protects your child contained in the womb. The quantity of amniotic fluid will increase over the course of your being pregnant. Round week 34, the extent reaches its peak at a median of 1 1/2 pints (800 milliliters). Too little or an excessive amount of amniotic fluid can imply there is a matter—or can probably trigger a problem going ahead.


A low degree of amniotic fluid (oligohydramnios) is a situation that happens in 1% to five% of pregnancies.

Oligohydramnios may be attributable to leaking fluid on the finish of being pregnant, an issue with the placenta, or a problem with the child. It might additionally haven’t any recognized trigger. You could not have any signs, however your supplier might suspect that your amniotic fluid is low in case your bump or your child seems smaller than anticipated at this stage of your being pregnant.

To diagnose this situation, your supplier will measure the quantity of amniotic fluid utilizing an ultrasound. Your being pregnant may also probably be monitored carefully and you will have to have extra checks resembling a non-stress take a look at and contraction stress take a look at.

Whereas low fluid could be a signal of fetal misery, it doesn’t affect fetal outcomes within the majority of instances. Nevertheless, it’s attainable that your supplier would possibly advocate you ship a bit earlier than your due date.


The other of too little amniotic fluid is an excessive amount of amniotic fluid. An extra of amniotic fluid (polyhydramnios) happens in about 1% of pregnancies.

Polyhydramnios can occur in case you are carrying a couple of child, have gestational diabetes, or have a child with a beginning defect. In some instances, the trigger shouldn’t be recognized.

You probably have polyhydramnios, you may be measuring bigger than anticipated and you will have signs resembling shortness of breath, belly discomfort, and strain in your pelvic space.

Your supplier would possibly uncover polyhydramnios throughout a routine ultrasound. The situation most frequently happens within the final trimester and usually does not hurt you or the child. If it’s in any respect a priority, your supplier will probably simply have you ever are available for monitoring extra typically.

A Phrase From Verywell

As a brand new mum or dad, you may have a number of selections to make—from which automotive seat to purchase to how you are going to feed your child. The folks round you’ll have a number of opinions—and never all of them might be useful. Do your analysis and search recommendation from trusted sources like your supplier, pediatrician, and shut household and associates. Remember: solely you and your accomplice can determine what’s greatest for you and your rising household.

Verywell Household makes use of solely high-quality sources, together with peer-reviewed research, to help the information inside our articles. Learn our editorial course of to be taught extra about how we fact-check and preserve our content material correct, dependable, and reliable.
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By Holly Pevzner

Holly Pevzner is an award-winning author who focuses on well being, diet, parenting, and household journey.

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