Right now there is a lone egg and a whole bunch of anxious sperm eager to fertilize the egg. The results of ultrasound testing provide you and your health care provider with critical information about you and your baby. Because the human egg is capable of fertilization for only 12 to 24 hours after ovulation the date of ovulation may be taken as being the date of conception. Colleague's E-mail is Invalid. The timing of certain tests, the monitoring of the baby's growth, and the correct diagnosis of premature labor, or being truly "overdue," postdatesas well as many other situations that arise in the course of a typical pregnancy, all depend on a correct determination of the EDC for appropriate management.
A dating scan is an ultrasound examination which is performed in order to establish the gestational age of the pregnancy.
Gestational age is a measure of the age of a pregnancy which is taken from the beginning of the woman's last menstrual period LMPor the corresponding age of the gestation as estimated by a more accurate method if available. You can calculate your due date by subtracting three months from the first day of your last menstrual period LMP and then add a week. Metrics details. Pregnancy math can be a little murky. Received 27 June ; revised 28 July ; accepted 28 August
2019 © viesteonline.info. All Rigths Reserved. All models were 0ver 18 y.o.