To distinguish whether your period is coming or if you might be pregnant, consider the following key points:
Similar Symptoms in PMS and Early Pregnancy
Both premenstrual syndrome (PMS) and early pregnancy share many symptoms, such as:
- Breast tenderness and swelling
- Mood changes (irritability, anxiety, mood swings)
- Fatigue
- Headaches
- Bloating and constipation
- Backaches
- Frequent urination
These overlapping symptoms can make it difficult to tell the difference based on feelings alone
Symptoms More Indicative of Pregnancy
Certain signs are more specific to pregnancy and less common in PMS:
- Missed period (usually the first clear sign)
- Nausea and vomiting (morning sickness), often starting 4–6 weeks after conception
- Changes in nipples, such as darkening or increased sensitivity
- Implantation bleeding, which is very light and short-lived (pink or brown spotting)
- Food aversions or unusual cravings that are more intense than typical PMS cravings
- A metallic taste in the mouth
- Dizziness
If you experience these, pregnancy is more likely
Differences in Bleeding and Cramping
- Period bleeding is typically heavier, bright red, and lasts several days.
- Implantation bleeding is light spotting, pink or brown, lasting a few hours to a couple of days.
- Period cramps tend to be stronger and occur just before or during menstruation.
- Pregnancy cramps are usually milder, may feel like tingling or pulling, and occur around implantation time (about a week before expected period)
What to Do to Confirm
- The most reliable way to know if you are pregnant is to take a home pregnancy test after a missed period.
- If your period arrives, it confirms PMS or menstruation.
- If uncertain or symptoms persist, consult a healthcare provider for evaluation and testing
Summary
While PMS and early pregnancy share many symptoms, a missed period, nausea, nipple changes, and implantation spotting point more toward pregnancy. Period bleeding is heavier and accompanied by stronger cramps. A pregnancy test is the definitive way to know for sure.