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Presentation #10


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Presentation #10

Presentation #10

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  • 1. Fallopian Tubes, Gestation and the Three Stages of Labor By: Carmen Ortiz
  • 2. Fallopian Tubes
    • (9H.) The tubes that extend from the outer edges of the uterus and assist in transporting the ova and the sperm are called fallopian tubes.
  • 3. Fallopian Tubes (Oviducts or Uterine Tubes)
    • Are a pair of tubes found in every female mammal.
    • Are found in the pelvic cavity, running between the uterus and the ovaries.
    • They are approximately 3 to 4 inches long.
    • Are not attached to the ovaries, but open up into the peritonial cavity very close to the ovaries.
    • They play an vital role in ovulation and conception.
    • Once the egg is released from the ovary (ovulation) the fallopian tube’s fimbriae grabs hold of the egg.
    • The fimbriae catch the ovum and direct it into the tube.
    • The fallopian tube then propels the ovum to the uterus.
    • The meeting of the egg and sperm (conception) takes place within the upper half of the fallopian tubes.
  • 4. Fallopian Tubes
    • They are a vital part of the female reproductive system.
    • Without them the egg cannot become fertilized and the embryo cannot reach the uterus for implantation.
    • It can be very difficult to become pregnant if they are not working properly.
    • Problems that can arise in fallopian tubes:
    • 1.)Tubal blockage - one or both tubes can become narrow and blocked. Thereby preventing eggs from traveling to the uterus.
    • 2.)Tubal scarring - caused by endometriosis, pelvic inflammatory disease (PID), surgery and ectopic pregnancy.
  • 5. Treatment.
    • Invitro Fertilization (IVF)
    • It involves fertilizing the egg outside the fallopian tubes and implanting the embryo inside the uterus.
    • Fallopian Tube Surgery
    • Surgery to remove adhesions, scar tissue, and fallopian tube is available.
  • 6. Gestation
    • (4H.)The time required for the development of a fetus is called gestation .
  • 7. Gestation
    • The normal length of time for a human pregnancy (gestation) is about 40 weeks (the normal range is 37-42 weeks).
    • Before 37 weeks gestation is considered preterm and after 42 weeks it is considered postterm.
    • Gestational age begins being measured based on the time that has passed since the last menstruation.
    • It generally happens 2 weeks prior to actual fertilization.
    • It is divided between the embryonic stage and the fetal stage
  • 8. Embryonic Stage
    • Week 1-3
    • 5-7 days after fertilization.
    • The blastula attaches to the wall of the uterus. When it comes in contact with the endometrium it performs implantation.
    • Implantation connection between the mother and the embryo begin to form, including the umbilical cord.
    • The embryo‘s growth centers around an axis, which will become the spine and the spinal cord.
    • The brain, spinal cord, heart, and gastrointestinal tract begin to form.
    • Week 4-5
    • Chemicals produced by embryo stop the mother’s menstrual cycle.
    • Neurogenesis (brain activity at about 6 th week).
    • Heart begins to beat and blood starts to flow.
    • Limb buds appear that will eventually develop into arms and legs.
    • Organogenesis begins.
    • At this time the head is more than half of the embryo’s mass.
    • Brain develops in five areas.
    • Tissue formation forms that will develop into vertebra and bones.
  • 9. Embryonic Stage
    • Week 6-8
    • Myogenesis and neurogenesis have developed to such a point the embryo is capable of motion.
    • The eyes begin to form.
    • Organogenesis and growth continue.
    • Hair has started to grow.
    • Facial features begin to develop.
    • Picture of embryo at 8 weeks
  • 10. Fetal Stage
    • Week 9-15
    • In week nine the fetus is about 30 mm in length and weighs 8 grams.
    • The head makes up half the size of the fetus.
    • Lung development.
    • The heart, hands, feet, brain and other organs are at the beginning of development and have minimal operation.
    • The fetus is not capable of feeling pain in the beginning of fetal stage.
    • Uncontrolled movement and twitches occur in muscles.
    • Brain and pathways begin to develop.
    • Week 16-25
    • Fetus continues to develop.
    • A women pregnant for the first time feels movement at about week 21, while a women who has given birth before feels movement in week 20.
    • By the end on the fifth month the fetus is about 20 cm.
  • 11. Fetal Stage
    • Week 26-42
    • The amount of body fat rapidly increases.
    • Lungs are not fully mature.
    • Brain connections from.
    • Bones are fully developed.
    • Fingernails reach end of fingertips.
    • Breast buds present.
    • Head hair becomes coarser and thicker
    • The fetus is considered full term between 37 to 42 weeks.
    • Picture of fetus at 38 weeks
  • 12. Labor and Delivery
    • (3H.)The three stages of labor and delivery are the dilation stage, the expulsion stage and the placental stage.
  • 13. The First Stage of Labor (Dilation Stage)
    • It is the longest part of labor and can last up to 20 hours.
    • It begins when the cervix start to dilate and ends when it is completely dilated (10 cm).
    • The latent stage
    • When the cervix dilates 0-4 centimeters, contractions get stronger as time progresses.
    • Mild contractions begin at 15-20 minutes apart and last 60-90 seconds.
    • The active phase
    • Contractions get stronger, are about 3 minutes apart and last 45 sec.
    • Backache and bleeding in vagina.
    • If the amniotic membrane ruptures the contractions may get much stronger.
    • The transition phase
    • The cervix dilated from 8-10 centimeters its called the transition phase.
    • Contractions are 2-3 minutes apart and last 1 minute.
    • Pressure felt on rectum, stronger backache and heavier vaginal bleeding.
    • During this phase go to hospital.
  • 14. The Second Stage of Labor (Expulsion Stage)
    • Begins when cervix is fully dilated at 10 centimeters.
    • This stage continues until you baby passes through the birth canal, vagina, and is born.
    • It may last two hours or longer.
    • Contractions feel different they slow to 2-5 minutes apart and last 60 -90 sec.
    • A strong urge to push with contractions is felt.
    • Pain relive medication may be administered.
    • Generally the head of the baby appears first (crowning).
    • In some cases the buttocks come first (breech presentation).
  • 15. The Third Stage of Labor (Placental Stage)
    • Begins after the baby is born.
    • Ends when the placenta separates from the wall of the uterus and is passed through the vagina.
    • It last about 20 minutes.
    • Contractions are felt, but are less painful.
  • 16.
    • Shared Journey. 2010.
    • Wikipedia. 19 March 2010.
    • Wikipedia. 22 March 2020.
    • Web MD. 20 Dec. 2009.
    • Medical Terminology “A living Language”.
    Works Cited