Thirtieth week of pregnancy

By week 30, you’re basically three-quarters of the way through. Your baby continues to grow and if he hasn’t already done so, these days he should position himself upside down.

Weight and length at 30 weeks

Month 7th month
Gestational age from 29+0 to 29+6
Length of the fetus (*) 38.6cm
Weight of the fetus (*) 1350 grams
Weight gain (**) +10.5kg
Moms group May 2023


How many months is 30 weeks pregnant?

At the 30th week you are in the second half of the seventh month of gestation. To know the exact correspondence between months and weeks of pregnancy you can use our conversion table .

30 per week: frequent symptoms

How your body changes

Pay attention to posture

The weight of the belly increases and tiredness is felt, as well as back pain . So be careful to maintain  correct posture , both when you walk and when you’re sitting or lying down. Sleeping on your left side , with an extra pillow to support your abdomen, can also help you find relief.

More generally, the advice is to strengthen the back muscles with specific exercises, for example by following a course of yoga or gentle gymnastics . Furthermore, these activities can be a precious opportunity to exchange advice and experiences with other future mothers , who are experiencing the same joys… and the same pains!

Contractions: when to worry?

Your baby continues to grow and his kicks are becoming more and more energetic, to the point that they may bother you. In addition, after particularly vigorous movement , you may experience so-called Braxton Hicks contractions , which are spasms of the uterus that generally do not cause pain and are not regular .

To relieve discomfort, try changing your position , walking around , or taking a warm bath .

However, if you experience contractions that are painful or occur more than 3 times in an hour, contact your obstetrician or gynecologist right away or go to the emergency room to make sure it is not a threat of premature birth. 

How the child grows

It is about 39 centimeters long , the length of a lettuce , and weighs about 1.4 kilograms .

Towards autonomy

Your little one is well-proportioned and now looks like a newborn. Thanks to the accumulation of subcutaneous fat , he is less and less thin and begins to control his body temperature . Furthermore, starting this week, his bone marrow completely replaces the liver and spleen in the production of red blood cells , responsible for transporting oxygen and disposing of carbon dioxide.

He prepares to turn around

On this week’s ultrasound, you may see him playing with his little hands or feet, squeezing his umbilical cord, or sucking his thumb . Furthermore, these days he should assume the final position, i.e. with his head downwards , in preparation for childbirth.

If he hasn’t done it yet, he still has room to turn around : now that he can open his eyes, a trick to convince him could be to shine a flashlight on his bare belly , in the pubic area.

Do you know that…

After a sweet snack or a cold drink , your baby will tend to move more . A particularly spicy food , on the other hand, could cause him to hiccup!

For the dad

Have you already decided whether to be present during the birth? If you don’t feel like it, talk openly with your partner. Participating in the birth of your child is a great emotion, but it shouldn’t be a forced choice. If, on the other hand, you want to have this experience, don’t miss the meetings dedicated to future dads during the birth accompaniment course : they will help you arrive more prepared for the moment of birth and face it in the best way.

Checks and exams to do

Click here to see the tests you can take for free between the 29th and 33rd week of gestation

The advice of the 30th week of pregnancy

If your little one hasn’t turned over yet , try doing the following exercises every day  to help him get into the correct position.

  • First exercise

    On a mat, get on all fours and rest your head and chest on the ground, keeping your pelvis lifted. Spread your legs slightly apart, so they don’t press on your belly, and gently move your hips. Repeat the exercise several times a day, for about 15 minutes . This position should help your baby to “unhook” the bottom from the pelvic area, increasing the space available for him to turn around.

  • Second exercise 

    Lie face up, placing pillows under your buttocks, so that your pelvis is raised. Raise your legs and lean them against the wall or sofa. To be more comfortable, you can also add a pillow under your head. Stay in this position for 10 minutes and repeat it three times a day , preferably on an empty stomach and when you feel your baby is more active . This exercise also serves to increase the free space available to the baby, prompting him to change position.

Kathryn Barlow is an OB/GYN doctor, which is the medical specialty that deals with the care of women's reproductive health, including pregnancy and childbirth.

Obstetricians provide care to women during pregnancy, labor, and delivery, while gynecologists focus on the health of the female reproductive system, including the ovaries, uterus, vagina, and breasts. OB/GYN doctors are trained to provide medical and surgical care for a wide range of conditions related to women's reproductive health.

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