What to do if you go past your due date? While due dates aren't perfectly precise, expectant mothers who have passed their due date should remain vigilant. I. What to do if you go past your due date 1. Avoid excessive anxiety. Even with accurate gestational age, delivery within two weeks after the due date poses minimal risk to mother and baby. However, monitor fetal movements closely.Fetal movement monitoring is the best self-monitoring tool in late pregnancy, reflecting the baby's well-being inside the womb. If you feel fewer than 3 movements per hour, fewer than 20 movements within 12 hours, or notice a significant decrease in movement, go to the hospital immediately for further examination. The doctor will determine the best time for delivery based on the situation.
2. Continue prenatal visits. Provide your doctor with results from early pregnancy tests (e.g., ultrasound, blood tests, pregnancy tests) and details about when fetal movements began and their pattern. This allows your doctor to recalibrate your gestational age.
3. Intensify prenatal monitoring by shortening check-up intervals. Maintain regular communication with your doctor to report fetal movement patterns. Ultrasound follow-ups should monitor amniotic fluid levels. If no abnormalities are detected, pregnancy may continue under close supervision.
What to do if past your due date? Expectant mothers should exercise particular caution 14 days past their due date, as this period may compromise fetal safety.
II. Risks of Post-Term Pregnancy
During post-term pregnancy, the placenta often gradually ages and deteriorates in function. Consequently, the oxygen and nutrients supplied to the fetus through the placenta decrease progressively. This leads to reduced subcutaneous fat, systemic dehydration, dry and cracked skin, and wrinkling in the fetus. The entire fetus resembles a miniature elderly person. Medically, this phenomenon is termed "postmaturity syndrome."
Such fetuses are highly susceptible to intrauterine death. Even if born, their health status is inferior to that of normally delivered infants, often succumbing to complications like dehydration, anemia, or pulmonary infections.
In cases of post-term pregnancy, if placental function remains intact, the fetus continues to grow within the uterus, eventually developing into a macrosomic fetus—exceeding 4.0 kilograms in weight, 55 centimeters in length, with a hardened skull and broadened shoulders.
At this stage, the enlarged fetus not only complicates delivery, increasing the risk of dystocia, but also heightens the likelihood of fetal intracranial hemorrhage and maternal birth canal injuries.
As the fetus matures during post-term pregnancy, its oxygen demand increases. When oxygen deprivation occurs, the fetus may exhibit intense respiratory movements. During labor, these vigorous breathing actions can easily cause the fetus to aspirate amniotic fluid into the respiratory tract, leading to serious consequences such as fetal asphyxia or neonatal aspiration pneumonia after birth.
Amniotic fluid volume also gradually decreases in post-term pregnancies. This allows uterine contractions to directly compress the fetus and placenta, impairing fetal blood circulation. Consequently, the fetus becomes susceptible to hypoxic-ischemic encephalopathy, potentially leading to neonatal asphyxia, cerebral palsy, and impaired cardiac or cerebral function.
What should you do if you go past your due date? First, expectant mothers should maintain a positive mindset, avoid excessive anxiety, and cooperate with medical treatment.