The accuracy of the dates below depends on the accuracy of your last menstrual period. Your “Last Menstrual Date” may not be compatible with your gestational week due to reasons such as wrong remembering, delayed ovulation date (cycles lasting less than 28 days or longer), irregular menstruation, “oversight”. Therefore, in order to determine the compatibility of your last menstrual period with your gestational week, your last menstrual period should be confirmed by an ultrasonography preferably performed in the first trimester.
Fetal weights in the table are given in grams (g). These rates are average values based on researches, they are not certain and binding!