Pregnancy1st TrimesterBody Functions ASK: What are the physical changes that happen in my body during the first trimester? By Christine Stothers, CPM By viewing this content you are agreeing to our Terms of Service Share RELATED ARTICLESMORE FROM AUTHOR 1st Trimester ASK: What causes morning sickness? 1st Trimester ASK: Is prenatal massage safe during the first trimester of pregnancy? 1st Trimester ASK: I feel nauseous, like I have morning sickness, what dietary changes could I make? 1st Trimester ASK: How does acupuncture help in my first trimester of my pregnancy? 1st Trimester ASK: How should I feel during early signs of pregnancy?