Im pregnant with very strong symptoms starting early before period sick back ache cramps are the worst at nite what does this mean?

Pregnancy symptoms: It means you are sensitive to the changes that your body undergoes during pregnancy. Back aches aren't unique to pregnancy and aren't considered a pregnancy symptom. Cramping can be normal, unless vaginal bleeding is present. That the symptoms are more common at night probably means you are tired with decreased tolerance to the discomforts.