: What to expect and how to get ready
You have reached the end of the journey. At the fortieth week of pregnancy most organs are fully developed, and signs of labor are closer than ever. Understanding what is happening now for you and your baby gives room for reassurance and planning with your care team. Even at the 40th week of pregnancy, it is normal to feel both excited and anxious.
Fetal growth and movement
In the fortieth week of pregnancy the average fetal weight is usually between 3.2 and 3.6 kg, while its length measures about 50 to 52 cm. The lungs are nearly complete and ready to breathe after birth, while the brain continues its rapid growth even after delivery. The head often descends into the pelvis in preparation for birth in the 40th week of pregnancy, although the timing of this may vary from one pregnancy to another.
Fetal movement remains present in the 40th week of pregnancy but may feel quieter due to the limited space inside the uterus. Be sure to monitor fetal movement daily during the 40th week of pregnancy; any noticeable decrease or cessation of movement requires immediate contact with your healthcare provider.
Changes and symptoms in the mother
You may feel irregular contractions that ease with rest or drinking water, pelvic heaviness, lower back pain, and fatigue. Discharge may increase and you may notice the passing of the mucus plug. These changes are normal in week 40 of pregnancy.
- Signs of labor at week 40: regular contractions that become closer together and stronger, rupture of membranes, gradual dilation of the cervix.
- Warning signs: heavy vaginal bleeding, decreased or absent movement, sudden severe headache, blurred vision, sudden swelling of the face or hands, fever, or severe persistent pain.
If it is the 40th week of pregnancy and there is no obvious labor, this does not necessarily indicate a problem. The doctor may wait a few days while monitoring the fetal heart rate and the condition of the amniotic fluid, and may discuss induction options if needed.
When should you go to the hospital?
- When regular contractions begin that increase in strength and become closer together.
- When the water breaks in a gush or there is a continuous leak.
- When fetal movement decreases or if fever, heavy bleeding, or pain that does not improve occur.
In the 40th week of pregnancy close follow-up may be recommended if labor is delayed past the expected date. Follow-up includes external monitoring of the fetal heart rate, ultrasound scans, and a non-stress test. Depending on the assessment, induction methods may be discussed to ensure your safety and your baby’s safety.
Practical preparations for childbirth
| Hospital bag | Identification card, test results, your basic supplies, diapers and clothes for the newborn. |
| Simplified plan | Pain relief preferences, presence of a companion, and flexibility according to the medical team’s guidance. |
| Family coordination | Arrange transportation, organize childcare and home care if needed. |
| Communication | List of emergency numbers, charged phone, and preparing the car seat for the baby. |
Focus on comfort, good hydration, and balanced meals. Talk to your doctor about signs of labor in the 40th week and how follow-up will be handled if it is the 40th week and there are no contractions. Reminder: fetal weight at the 40th week may vary between pregnancies, and the most important measure is a comprehensive assessment of its movement and well-being in week 40 of pregnancy.
Quick frequently asked questions
- Is being overdue normal?
Yes, in the fortieth week of pregnancy a slight delay may occur, and follow-up is often continued until 41–42 weeks according to the doctor’s evaluation.
- What if the head doesn't engage?
The doctor will discuss the position and safe delivery options.
- How do I distinguish contractions?
Labor contractions become stronger, longer, and more regular and do not go away with a change of position.
Remember that the 40th week of pregnancy is the final stop before meeting your baby. Keep monitoring fetal movement in the 40th week, and see your doctor with any concerns. With the 40th week of pregnancy, calm preparation and reliable information are the key to crossing with confidence
