It's very common in early pregnancy for any symptoms to fluctuate from one day to the next. One day you might feel completely exhausted, only to feel fresh and re-energised the following day.
(Hope this helps!)
D. game meat you killed and prepared yourself
Your heart pumps red blood cells to your lungs to get rid of carbon dioxide and get oxygen in exchange, so respiratory problem could limit the amount of oxygen your red bloods cells can take in or the amount of carbon dioxide they can get rid of. It will make the heart beat faster to get the blood oxygenated.
What is the trait? we cant answer the question without knowing the information.
