II. Week 4

III. Week 5 (8 to 9 days after missed menstrual period)

IV. Week 6-8

  1. Symptoms
    1. Urinary frequency onset at 6 weeks
  2. Signs
    1. Areola darkens by 6-8 weeks
    2. Breasts engorge by 6-8 weeks
  3. Transvaginal Ultrasound
    1. Fetus visible at 6-7 weeks
    2. Fetal heart activity by 8 weeks

V. Week 10 to 12

  1. Symptoms
    1. Irregular contractions start
  2. Signs
    1. Uterus is size of Orange by 10 weeks
    2. Uterus is size of Grapefruit by 12 weeks
    3. Fetal Heart Tones auscultated by Doppler

VI. Week 15 to 20

  1. Symptoms
    1. Quickening in multiparous patients by 15 to 17 weeks
    2. Quickening in nulliparous patients by 18 to 20 weeks
  2. Signs
    1. Fetal Heart Tones by Fetoscope by 16 to 20 weeks
    2. Irregular Contractions palpable by 20 weeks

VII. Other signs of pregnancy

  1. Chadwick's Sign
    1. Darkened vulva and vagina
  2. Chloasma (Mask of pregnancy)
    1. Dark under eyes, bridge nose
  3. Linea Nigra
    1. Dark midline low Abdomen
  4. Hegar's Sign
    1. Softened low uterine segment on bimanual exam

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