Signs of pregnancy

• Breast changes, nausea, and vomiting

  Presumptive (2nd week)
• Amenorrhea

  Presumptive (2nd week)
• Frequent urination

  Presumptive (3rd week)
• Serum laboratory test

  Probable (1st week)
• Chadwick‘s sign

  Probable (week 6)
• Goodell’s sign

  Probable (week 6)
• Hegar’s sign

  Probable (week 6)
• Sonographic evidence of gestational sac

  Probable (week 6)
• Visualization of fetus by ultrasound

  Positive (week 6)
• FHT heard through TVU

  Positive (week 6)
• Sonographic evidence of Fetal outline

  Positive (week 8)
• Fatigue and uterine enlargement

  Presumptive (week 12)
• Quickening (week 18)Presumptive
• Linea nigra

  Presumptive (week 24)
• Melasma

  Presumptive (week 24)
• Striae gravidarum

  Presumptive (week 24)
• Audible fetal heart tones

  Probable (week 10-12)
• Ballotement

  Probable (week 16)
• Braxton Hicks contractions

  Probable (week 20)
• Fetal outline felt by examiner

  Probable (week 20)
• Fetal movement felt by examiner

  Positive (week 20)