Fetal Development from Conception to Birth A lot of changes happen to mother and baby in three trimesters, take this trimester teaser to test your fetal facts holly10 published on January 21, 2015 Stacked 1/12 Approximately how many weeks gestation is a full term human pregnancy? 26-28 37-40 44 2/12 Select all the correct information about a zygote: Hint: 2 choices Refers to the fetus after implantation in the uterine wall Starts as a single cell Travels down the Fallopian tube after fertilization Travels down the Fallopian tube before fertilization A late term fetus 3/12 At the end of the first month of development the embryo has grown to approximately what size? 2 cm 0.6 cm 0.2 cm 4 cm 4/12 True or False: By 4 weeks the heart has completed its first beat True False 5/12 Select all the fetal development milestones that occur between 5-8 weeks gestation: Hint: 4 choices neural tube that connects the brain and spinal cord will close Eyes are in their final position Embryos arm and leg buds form Morning sickness is common at this time By the end of 8 weeks embryo is now called a fetus 6/12 True or False between 9 and 10 weeks the fetus' eyelids are open? True False 7/12 By the end of 10 weeks which of the following organs are fully functional? Liver Kidneys Brain Lungs All of the above 8/12 Select all that apply to the fourth month of pregnancy (14-18 weeks) Hint: 3 choices Fetus develops ultra fine hair called lanugo Babies sex can be determined by ultrasound (if its in the right position!) Baby will turn its head in response to a flashlight pointed at the uterus Baby will practice breathing- swallowing placental fluid in the process 9/12 True or False: For women with a healthy BMI it is recommended that they gain approximately 1 lb a week in the second and third trimester True False 10/12 At six months (23-27 weeks) the fetus is approximately how long crown to rump? 20 cm 30 cm 45 cm 11/12 True or False: By the end of seven months the main focus of fetal development is to gain fat True False 12/12 Select all that apply to the ninth month of pregnancy Hint: 3 choices Fetus is between 25-35 cm Fetus is between 45-55 cm Fetal movement can keep mother awake at night Fetus will drop into the pelvis to prepare for birth Fetus weighs approximately 3-4 lbs
