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Very Early Pregnancy Symptom

Symptom Details

Heartburn is typically associated with later pregnancy as the baby grows and takes up more and more space in the abdominal cavity, but the hormones produced in early pregnancy can also cause heartburn. Progesterone, which relaxes the smooth muscles of the uterus, may also relax the valve between the esophagus and the stomach, allowing stomach acid to travel back up to the esophagus, causing heartburn even in early pregnancy.

Comparison Chart

The chart below shows a comparison between the number of times this symptom was experienced by pregnant vs non-pregnant women.

**NOTE: Data for 15-21 dpo tends to be lower than expected as many women stop tracking symptoms after a positive pregnancy test.

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Are you experiencing Heartburn?

What Day Past Ovulation are you? Is this a new symptom?
  • 4 weeks ago » TeeTee2012 said:
    12DPO. Irarely get heartburn. for the past 3 days (including today) I've been having heartburn,mostly at night. That requires Tums. It's odd
  • 6 weeks ago » Lovemykids17 said:
    I have heartburn im 5dpo and headache anf cramps n and off and boob kill
  • 8 weeks ago » Megzymoo said:
    Been having indigestion for the past 2 days, all day long. Currently 9DPO. Anyone else?
  • Oct. 19, 2016 11:15am » Rjsgirl1216 said:
  • Oct. 18, 2016 3:49pm » Sb1204 said:
    15 dpo - severe acid heartburn all day. 1 day late
  • View All Comments...

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