Missed period
Missing menstruation (missing your period) would generally be the earlist sign of pregnancy. .....I could tell i was pregnant about 1 week after my missed period...not because of a blood test but me and my partner felt a difference during sex. it felt, well smoother. The earliest you can be SURE is when someone hears the heartbeat or you feel movements. why not just take a test?
The most common cause of missing a period is pregnancy.
stress
It may or it may not. To find out you will have to do a pregnancy test. There ar other reasons for missing you period, although it is a common sign for pregnancy.
Malnutrition
Missing a period has many causes besides pregnancy. Many women (especially adolescents) have irregular periods to begin with. Stress, illness, and poor diet can also cause missed periods. See your doctor if this continues. One missed period is not cause for panic.
Signs of pregnancy are the same in all patients. A missing period and positive pregnancy tests are signs of pregnancy.
The earliest signs of pregnancy can show as soon as three or four days in, if one is expecting one's period. Otherwise, one notices signs three to four weeks into the pregnancy.
Could be one of several things. Pregnancy is one of them.
The early signs of pregnancy vary from person to person. "Morning sickness" can run the gamut from extreme and continuous to none at all. The same can be true for swelling of the extremities. Missing a period or two, and home pregnancy tests are good indicators, but the truth is only a visit to a doctor will tell you with certainty.
The most common cause of missing a period is pregnancy. May need to confirm with a pregnancy test.