Delay of Menstruation During Entire Pregnancy Other possible reason- Excessive weight gain or loss, fatigue, hormonal problems, tension, stress, going off the birth control pill or breast feeding.
Nausea and Vomiting 2 - 8 weeks after conception Other possible Reasons- Food poisoning, stress and variety of other stomach disorders.
Frequent Urination A few days - 8 weeks after conception Other possible reasons-Diabetes, urinary tract infection, taking excessive diuretics causing urination
Tender or Swollen Breasts 1 - 6 weeks after conception Other possible reasons- Stress, fatigue, depression and other physical and mental strains.Can also be the common cold or flu.
Backaches During entire pregnancy Ohter possible reasons- A variety of back problems and physical or mental strains.
Frequent headaches Sometimes during entire pregnancy. Other possible reasons- Dehydration, caffeine withdrawal, eye strain and other ailments
Darkening of areola (breast nipple) First signs 1 - 14 weeks after conceptions and then throughout pregnancy Other possible reasons-Hormonal imbalance.