First trimester is the period from 1st week to 12th week of your pregnancy. This period is major for the development of your fetus and you will also experience many emotional and physical changes. During this phase you will experience the following changes
Feeling exhausted: Fatigue is common because your body works hard for developing the fetus, as you feel exhausted you must make sure that there is sufficient rest during this time.
Nausea and vomiting: Morning sickness is the most commonly heard complaint from the pregnant women during the first trimester. Moderate levels of nausea can be managed with home remedies, but if the nauseas and vomiting are severe then you would need a medical supervision.
Increased frequency of urination: you will have to use the rest room very frequently than usual. This starts from a week after the conception, as the hormonal levels are increased and so do the blood supply to the pelvic area, resulting in bladder irritation. Consequently the pressure on the urinary bladder increases due to the increase in the size of the uterus, finally leading to frequent urination.
Changes in the breast: Changes in the breast size and shape are quiet common during prgnancy. This can begin pretty early in the pregnancy, as a result of increased levels of estrogen and progesterone in the body. You may feel your breasts to be tender, heavier, and larger.