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Week 33 of Pregnancy

Your baby is the size of a pineapple and growing fast! Expect more discomfort, swelling, and pressure. Braxton Hicks contractions may start as your body prepares for labor.

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All you need to know

Welcome to week 33 of your pregnancy journey! As you enter the final stretch, your baby continues to grow and develop rapidly, preparing for birth. This week, you may experience a mix of anticipation and discomfort as your body adapts to accommodate your growing little one. Let's dive into the fascinating changes happening within you and your baby during this crucial period.

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Week 33 Pregnancy Symptoms

As your body accommodates your growing baby, you may experience some discomfort and changes:

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  • Back and Pelvic Pain: The increasing weight of your baby can put extra pressure on your back and pelvis, causing discomfort. The hormone relaxin also loosens ligaments in the pelvis, contributing to this pain.
  • Braxton Hicks Contractions: You may feel your uterus tightening and relaxing more frequently as your body prepares for labour. These practice contractions are usually irregular and not as intense as real labour contractions.
  • Shortness of Breath: As your uterus expands and pushes against your diaphragm, you may find it harder to catch your breath. This is normal but contact your doctor if it becomes severe.
  • Frequent Urination: Your growing baby puts pressure on your bladder, leading to more frequent trips to the loo. This is a common symptom that will likely persist until delivery.
     

Your Baby in Week 33

Your little one is busy preparing for life outside the womb. Here's how they are doing at 33 weeks:

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Baby’s Growth in the Womb

  • Organ Development: Your baby's lungs are producing surfactant, a substance that helps keep air sacs open and ready for breathing after birth. Their digestive system is also fully prepared to handle breast milk or formula.
  • Physical Features: Your baby's eyes can now detect light, and their pupils can change size in response to light stimuli. Their toenails are visible, and for boys, the testicles are beginning to descend into the scrotum. Most of the soft, downy hair (lanugo) that covered your baby's skin has been shed.
  • Weight of the Foetus: Your baby is packing on the pounds, gaining about half 200+ grams per week. At 33 weeks, the average baby weighs around 2 kg and measures approximately 44 cm from head to heel. Keep in mind that these are just averages, and every baby develops at their own pace.
  • Movement of the Baby: You'll likely feel your baby moving and squirming frequently, as there's still some room to wiggle around. Your little one is practising important skills like sucking and swallowing, which will come in handy for feeding after birth.
     

Here is what your baby looks like

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At 33 weeks, your baby is almost ready to meet you! Trust in your strength and embrace every step of the journey. You're almost there, mama!

Dr. Veena H

Your Body in Week 33 of Pregnancy

During week 33, your body continues to undergo significant changes to accommodate your growing baby. Here's what you can expect:

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Physiological Changes During Week 33 of Pregnancy

  • Breast Changes: As your body prepares for breastfeeding, you may notice your breasts feeling heavier and more tender. The areolas may also darken and enlarge.
  • Hair, Skin, and Nails: Hormonal changes can cause your hair to grow faster and your skin to be more sensitive. Your nails may also become softer or more brittle.
  • Respiratory and Cardiovascular System: The increased blood volume during pregnancy can lead to shortness of breath and occasional heart palpitations. This is normal but discuss any concerns with your doctor.
  • Vaginal Discharge: An increase in clear or white vaginal discharge is common during pregnancy. However, if the discharge has a strong odour or causes itching, contact your doctor as this could indicate an infection.
  • Uterus Size and Position: At week 33, your uterus is about the size of a large melon and sits at or just below your rib cage. Your uterus is about 5 inches or 13 cm above your belly button. As your baby grows, you may feel pressure under your ribs.
  • Placenta Position: The placenta, which supports your baby's growth and development, is usually positioned at the top or side of the uterus by this stage of pregnancy.
     

Top Tips for Week 33

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Early arrival 

Discuss premature labour signs with the doctor to address concerns and get proper guidance. 

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Childbirth prep

Enrol yourself in prenatal courses to learn different labour stages and what to expect.

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Preterm signs

If you suspect early labour, read up on premature delivery and baby care essentials.

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Stay active 

A moderately intense 30-minute physical activity on most days of the week is great.

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Dental hygiene

Having healthy teeth and gums matters as poor dental care is linked to premature labour.

Medical Scans and Check-Ups

During week 33, you'll likely have a prenatal checkup with your doctor. These visits are crucial for monitoring your health & your baby's development. Here's what you can expect:
 

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  • Fundal Height Measurement

Your doctor will measure the distance from your pubic bone to the top of your uterus (fundus) to assess your baby's growth.

  • Fetal Heartbeat

Using a Doppler device, your doctor will listen to your baby's heartbeat to ensure it's strong and steady.

  • Urine Test

You'll provide a urine sample to check for signs of infection, dehydration, or preeclampsia.

  • Ultrasound

To check your baby's growth, position, and amniotic fluid levels.

  • Blood Tests

To screen for infections, anaemia, or other health issues.
 

FAQs

Is it normal to feel more tired and uncomfortable at 33 weeks pregnant?

Yes, it's common to feel more fatigued and uncomfortable as your body supports your growing baby. Rest when you can, use pillows for support, and discuss any concerns with your doctor.

How often should I feel my baby move at 33 weeks?

You should feel your baby move several times a day. If you notice a significant decrease in movement, contact your doctor immediately.

Can I still exercise at 33 weeks pregnant?

Yes, if your pregnancy is uncomplicated, you can continue exercising with modifications. Low-impact activities like walking, swimming, and prenatal yoga are generally safe. Always listen to your body and consult your doctor.

Is it safe to travel at 33 weeks pregnant?

While it's generally safe to travel during pregnancy, long trips may be uncomfortable at this stage. Check with your doctor before planning any travel, and be aware of the location of hospitals at your destination.

What should I pack in my hospital bag?

Start preparing your hospital bag with essentials like comfortable clothing, toiletries, nursing bras, and items for your baby (e.g., going-home outfit, nappies, blankets). Don't forget your birth plan and any important medical information.

How can I prepare for breastfeeding?

Attend breastfeeding classes, read about breastfeeding techniques, and consider purchasing nursing bras and breast pads. Remember, while breastfeeding is natural, it's a learned skill, and support is available.

Is it normal to have Braxton Hicks contractions at 33 weeks?

Yes, Braxton Hicks contractions are common at this stage as your body prepares for labour. They are usually irregular and not as intense as real labour contractions. Contact your doctor if you have concerns.

What signs of preterm labour should I watch for?

Signs of preterm labour include regular contractions, abdominal cramps, back pain, pelvic pressure, and vaginal bleeding or fluid leakage. If you experience any of these symptoms, contact your doctor immediately.