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Headache

Very Early Pregnancy Symptom

Symptom Details

Headaches in pregnancy tend to occur most frequently in the first trimester. Hormone levels rise dramatically in early pregnancy, and can contribute to headaches. Changes in your blood circulation and blood volume during pregnancy can cause increased pressure on your blood vessels. This increase requires greater fluid intake to counteract dehydration, which can be another cause of headaches. Be sure to get at least 8 glasses of water a day.

Low blood sugar could also be the culprit, be sure to eat a healthy well balanced diet, with adequate protein and iron intakes. Avoid foods that can trigger a headache: like chocolate, MSG, cheese and spicy foods. Other possibilities are stress and anxiety or not getting enough rest. Try to take time each day to relax and make sure you get enough sleep.

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 Headache?

What Day Past Ovulation are you? Is this a new symptom?
  • 2 weeks ago » Lolo1176 said:
    Woke up with a migraine and at 7DPO. Hoping it's a good sign. FX'd! Never thought I'd say that about a migraine...lol.
  • 3 weeks ago » KassySL28 said:
    5dpo and 6dpo headaches so far
  • 3 weeks ago » KassySL28 said:
    5DPO bad headache
  • 4 weeks ago » BM1987 said:
    7dpo yes
  • 4 weeks ago » BM1987 said:
    Wondering any of you actually end up pregnant? Thanks. I ask because I too have been having bad headaches at 7dpo
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