Chapter 50- OB measurements and gestational age (A+ Guaranteed)

fetal age correct answers ______ begins at the time of conception and is also known as conceptional age menstrual correct answers Obstetricians date pregnancies in _____ weeks, which are calculated from the first day of the last normal menstrual period measurements correct answers Gestational ages are estimated from the ______ if the fetal parameters and are not the actual age of the parameters. invasive procedures, serum alpha-fetoprotein, date of delivery, fetal growth correct answers It is clinically important to know the menstrual age of a patient because this information is used for the following reasons: 1. in early pregnancy to schedule ________ such as chorionic villus sampling and genetic amniocentesis) 2. to interpret maternal ________ screening 3. to plan _______ 4. to evaluate fetal growth menstrual, fundal height, neonate correct answers Before the use of sonographic determination of fetal growth, menstrual age was calculated by three factors: 1. _____ history 2. physical examination of the _______ of the uterus 3. postnatal physical examination of the _______ LMP, oligomenorrhea, implantation, oral contraceptives, menstrual cycle correct answers The determination of menstrual age before the use of sonographic determination of fetal growth was not reliable if the patient: 1. could not recall _____ 2. _______ 3. _____ bleeding 4. use of _______ 5. irregular ________ transvaginal correct answers _________ sonography allows visualization and evaluation of intrauterine pregnancies earlier than previously thought possible. decidua, echogenic correct answers The earliest sonographic finding of an intrauterine pregnancy is the thickening of the _______. Sonographically, this appears as an _______ thick filling of the fundal region of the endometrial cavity 3, 4 correct answers The thickening of the decidua occurs at approximately ___ to ____ weeks gestation