25th – Twenty-fifth week of pregnancy

With the twenty-fifth week you have passed the middle of the sixth month of pregnancy. It’s a great time to start thinking about the future, when you’ll be a mom.

With the twenty-fifth week you can already start thinking about how life will be after the birth of both you and your baby, in particular about the things that you will surely need (baby accessories and, in particular, the crib  , changing table ,  bouncer , blanket, layette for the newborn, bottle, pacifier,  bottle warmer ,  steriliser ) immediately as soon as you leave the hospital.

By week 25, the fetus’s hearing is mature enough for it to respond to your voice with a small punch or kick.

The development of the child in the twenty-fifth week of pregnancy

The development of the brain

The brain of the fetus continues to grow: the cortex develops in distinct layers even if (it should be specified) most of the fetal actions are still controlled by other brain areas that developed previously.

The development of the sensory organs

The senses of hearing, sight, touch, and taste are still maturing: the baby responds to sounds and tastes the amniotic fluid as it swallows it.

His optic nerves are developing, and he is now able to react to flashes of light by turning his head to the side.

The development of internal organs

One of the most significant changes this week is the opening of the baby’s nostrils that were previously closed.

His lungs are preparing to breathe.

The baby inhales and exhales amniotic fluid, while also developing pulmonary surfactant ( SURF ace  ACT ive  Age NT ) , which is the chemical that helps the lungs expand during inspiration.

However, if you were to deliver this week, the baby would still need medical assistance to continue breathing, as his lungs are still too immature to deliver oxygen to the bloodstream, or to release carbon dioxide.

His intestinal tract is also maturing.

The meconium that forms in the large intestine, produced by your baby’s first intestinal activities, will be passed by the baby soon after birth.

The outward appearance

His still wrinkled skin is starting to become smooth due to the growth of fat underneath it, thus giving him a plumper appearance.

Its tiny capillary blood vessels are developing just under the skin, giving your baby a rosy glow.

Fetal movements and heartbeats

Most pregnant women report that their babies are most active during weeks 24 to  28  .

So, it’s likely that throughout the day, you can feel their kicks, somersaults and punches. When the baby moves a lot it’s a good sign; this indicates good fetal health and not, necessarily, that you will have a hyperactive baby. You may also hear his sobs: a rhythmic motion that lasts a few minutes at a time. The fetal heart rate, which the doctor can listen to using a Pinard stroboscope, is approximately 120 to 160 beats per minute.

The size of the child

Your baby is now about the size of a courgette, with a length from head to ankles of about 34 centimeters, and a weight of about 680 grams.

the size of the child

Your baby is now about the size of a courgette, with a length from head to ankles of about 34 centimeters, and a weight of about 680 grams .

The changes in the woman’s body

In this week the uterus is about the size of a soccer ball, with a diameter – from the pubis to the point located halfway between the navel and the breastbone – of about 25 centimeters.

Now, to create a space for itself, the uterus pushes other organs, such as the lungs and intestines, and this causes pain and discomfort.

Fluid retention and increased blood volume due to pregnancy often put pressure on the nerves in the hand, leading to tingling and numb fingers and palms (carpal tunnel syndrome).

As your body prepares to breastfeed, you may also notice a yellowish liquid (colostrum) leaking from your nipples.

But there are also some “positive” changes in your body: your hair is shinier and your nails are growing rapidly. This depends on the pregnancy hormones in circulation.

In the second and  third trimester   of pregnancy, the average weight gain (recommended) is about 0.36-0.45 kg per week (if the mother started from a normal weight).

However, it is important to follow a correct diet so that weight gain is adequate.

  • If you are pregnant with only one child you do not need more than 300-400 calories a day supplement.
  • If, on the other hand, you are pregnant with twins, the highest calorie level (recommended) rises, during the twenty-fifth week, to about 600 calories per day.

The ultrasound at the 25th week of pregnancy

From this week on, your doctor will likely check your blood pressure at every prenatal visit to check for any risk of preeclampsia.

They may also ask you to take a blood sugar test (if you haven’t already) to check for gestational diabetes.

Women with a high risk of this condition are also often subjected to a urine test to detect any traces of glucose.

Your doctor may also recommend that you get an ultrasound to evaluate the development of the fetal brain and internal organs.

A 3D ultrasound – performed this week – shows the baby resembling a tiny version of itself at birth.

You may find him yawning, sucking his thumb, or even rubbing his eyes.

The symptoms of the twenty-fifth week

This week you may feel,

  • pain in the round ligament of the uterus;
  • joint, hip and back pain;
  • pelvic girdle pain or symphysis pubis dysfunction;
  • coccyx pain;
  • swelling of hands and feet;
  • shortness of breath;
  • leg cramps;
  • hot flashes (due to pregnancy hormones);
  • indigestion and heartburn ;
  • bloating, bloating and constipation;
  • abdominal stiffness and Braxton Hicks contractions;
  • dry, itchy eyes that may be sensitive to light;
  • sensitive skin;
  • stretch marks;
  • itchy skin rash, especially around the belly, back and thighs;
  • dark patches in various areas of the skin, especially on the face (pregnancy mask);
  • inflammation and, occasionally, sharp pain around the navel;
  • varicose veins and hemorrhoids;
  • sudden mood swings and depression;
  • sleep disturbances and restless legs syndrome;
  • frequent urination.

When to call the doctor

You should consult your doctor in case of:

  • vaginal bleeding with abdominal cramps, a pain in the lower back, a feeling of pressure in the pelvic area, uterine contractions, diarrhea and a thin discharge of clear fluid (these symptoms could indicate a premature birth);
  • intense itching without a rash, especially on the hands and feet (may indicate cholestasis of pregnancy) (;
  • sudden swelling of the face, hands and feet, associated with persistent headache , light-headedness, extreme fatigue and vision changes (may indicate high blood pressure or preeclampsia);
  • decreased fetal movement;
  • pain or burning sensation when urinating, secretions that are gelatinous to smell, yellowish or greenish or thick and white, and pain in the lower back (could indicate a kidney infection or candidiasis);
  • you feel exhausted all the time, have excessive thirst, intense nausea and sudden changes in vision (this could indicate  gestational diabetes
  • light spotting bleeding, pelvic pressure along with throbbing pain in the back and stomach and changes in vaginal discharge (may indicate an opening of the cervix);
  • severe nausea and vomiting together with diarrhea lasting more than 24 hours.

Some useful tips for a healthy pregnancy and baby

Also during this week,

  • maintain proper dental hygiene, as pregnancy increases the risk of gingivitis (inflamed and bleeding gums), which could lead to a serious infection called periodontitis, often associated with an increased risk of preeclampsia and premature labor and delivery;
  • practice prenatal yoga or other types of light physical exercise daily (unless your doctor advises you against it): however, stop if you feel pain or if you are very tired, lightheaded or out of breath;
  • sleep on your left side , as sleeping on your back can reduce blood flow to the placenta;
  • drink plenty of fluids so that constipation, fatigue and dizziness are reduced – preventing dehydration;
  • consult your doctor regarding any necessary vaccinations, or an injection of Rhogam (for Rh negative women): the administration of specific immunoglobulins against the Rh factor, via an intramuscular injection on the shoulder, prevents the production of maternal antibodies against the red blood cells of the fetus:
  • if you are planning to travel in the coming weeks, talk to your doctor about flying;
  • eat a daily diet with plenty of high-fiber foods (whole foods, fruits and vegetables) to avoid constipation;
  • it is important to get an adequate amount of calcium to reach the recommended daily dose of 1000 mg;
  • Healthcare professionals may recommend doing Kegel exercises, which are exercises to strengthen the pelvic floor muscles;
  • Consult your doctor before taking any type of drug, as it could have serious contraindications during pregnancy.

Katherine Johnson, M.D., is a board-certified obstetrician-gynecologist with clinical expertise in general obstetrics and gynecology, family planning, women’s health, and gynecology.

She is affiliated with the Obstetrics and Gynecology division at an undisclosed healthcare institution and the online platform, Maternicity.com.

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