Happy due date! However, don't be surprised if this day comes and goes without a single contraction. Only about 4% of babies are actually born on their exact estimated due date. Your baby is fully cooked, comfortably resting in the fetal position, and waiting for the exact biological signal to trigger labor.
🍼 What's Happening With Your Baby
Now the size of a small jackfruit, your baby is tightly packed in the uterus. The fingernails and toenails are long, and the hair on their head can be up to an inch thick.
The skull bones remain separated by fontanelles (soft spots) so the head can safely compress and mold as it travels through the birth canal.
The placenta is reaching the end of its lifespan. It is beginning to calcify and age, which is why doctors monitor post-term pregnancies very closely.
🤰 What You're Feeling This Week
The physical discomfort is likely absolute. Your skin is stretched to its maximum, your pelvis aches under the heavy pressure, and sleep is nearly impossible.
You might feel increasingly anxious or frustrated by texts asking, 'Is the baby here yet?' It is completely normal to feel emotionally exhausted.
Your doctor will discuss membrane sweeping or medical induction if labor does not begin naturally within the next week. A membrane sweep involves the doctor separating the amniotic sac from the cervix to release prostaglandins and trigger contractions.
The Estimated Due Date
The 40-week mark is an estimation based on the first day of your last menstrual period. It is entirely normal for first-time mothers to carry their babies until 41 weeks.
✅ What To Do This Week
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Discuss an induction plan — Talk to your doctor about their protocol for going past your due date. Most doctors will not let a pregnancy continue past 41 or 42 weeks due to the aging placenta.
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Stay active but rested — Light walking or bouncing on a birthing ball can help encourage the baby's head down onto the cervix, promoting dilation. Do not exhaust yourself.
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Monitor fetal movement constantly — The baby is out of room, but they must still move. If you notice a drop in movement, go to the hospital immediately for a non-stress test.
"The wait is agonizing. The body is an overstretched drum. But the biological clock is ticking, the hormones are aligning, and the moment of release is inevitable."
— A Note From Your Body, Week 40