Biology Question

Name: _____________________ BIOL 106: LAB ASSIGNMENT 10 Your Body Throughout Pregnancy View the slideshow at: http://www.childbirthconnection.org/healthy-pregnancy/yourbody-throughout-pregnancy.html Answer the following questions as you progress through the slides. Your Body Before Pregnancy: 1. Find the diaphragm on the image. It is located at the top of the abdominal cavity. Where are the reproductive organs compared to the diaphragm? 2. List all of the reproductive anatomy terms from the image that you learned in the anatomy unit. Your Body at 6-7 Weeks 1. What signs of pregnancy may be occurring at this time? 2. Why do women experience increased urination frequency early on in pregnancy? 3. Where is the placenta developing? 4. What organ is mentioned to be functional by 5 weeks? 5. What term for the baby is used up to 7-8 weeks, and what term is used for the remainder of the pregnancy? Your Body at 12 Weeks 1. What important function has the placenta begun by week 12? 2. The uterus is typically the size of a woman’s fist. How large is the uterus by week 12? 3. Why does urination frequency decrease during this time? 4. What is the purpose of the mucus plug, and where is it located? 5. What is the fetus doing that is not yet detected by the pregnant women? Your Body at 20 Weeks 1. The organs of what system are getting pushed upward in the abdomen by this point? 2. From the image of 6-7 weeks, what structure is attaching the fetus to the placenta? 3. How thick is the wall of the growing uterus? Is this thicker or thinner than it was earlier in the pregnancy? 4. Which direction is the uterus moving as the fetus continues to grow? 5. What is “quickening?” 6. List three characteristics of the fetus at this point. Your Body at 28 Weeks 1. Why are constipation and heartburn common at this stage of pregnancy in terms of abdominal crowding? 2. What do the lobules of the breasts produce before actual milk? 3. How many lobes are in each breast? 4. When milk leaves a lobe, it goes to what structure next? 5. What is the function of the lactiferous sinuses? 6. List four characteristics of the fetus at this point. 7. What is vernix? 8. What has almost completely developed in the fetus by week 28? Your Body at 36 Weeks 1. How much space is the uterus taking up in the abdomen at this point? 2. What is surrounding the fetus? 3. What makes breathing challenging for women at this stage in pregnancy? 4. Why is digestion sometimes challenging during this time? 5. How does the cervix appear at this point? 6. What is the perineum, and what does it do during labor? 7. Why are the fetal skull bones somewhat soft at this point? 8. What types of movements may the fetus be making at this point? Your Body at 40 Weeks 1. What does “full term” refer to? 2. Where is the head of the fetus usually at this point? 3. What is this movement of the fetus into the lower pelvis called? 4. Is the external os always opened the same diameter for all women at this point? 5. List three challenging body changes that a pregnant woman may experience at this time. 6. What does the hormone relaxin do?