Patient's question:
[Condition Description: My last menstrual period started on July 2nd. Please help me calculate my due date. Also, why do I have pain in the upper part of my left thigh now? I have had a cervical erosion surgery before. Should that be a problem? History of Treatment and Effects: No treatment. I have had a cervical erosion surgery before. What kind of help do you need: Just answer that.]Doctor's answer:
It can be estimated based on basal body temperature. The lowest point of the basal body temperature curve chart is the time of ovulation in women, so the last day of the low-temperature segment of the basal body temperature curve can be taken as the ovulation day. Then, count backward 264-268 days from the ovulation day, or add 38 weeks, to determine the expected delivery date of the pregnant woman.Additionally, it is possible to estimate the expected delivery date based on ultrasound examinations. When a doctor performs an ultrasound, by measuring the biparietal diameter of the fetal head, the crown-rump length, and the femur length, the gestational age can be estimated, and consequently, the expected delivery date can be calculated. This method is mostly used by doctors during ultrasound examinations for diagnostic purposes.
There is also a method mastered only by professionals, which involves estimating the expected delivery date based on the height of the fundus of the uterus.