proportional - one of the quantities in a mathematical proportion. quantity - the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable.
The third trimester is when women should eat around 500 extra calories per day. Special Considerations. While the 300 calorie per day example above is just an example, there are some special cases in which a woman might need to adjust her daily calorie intake to fit her needs.
Home Â» Pregnancy Â» During Pregnancy Â» Third Trimester Changes. Unfortunately the physical changes in the third trimester can sound like a laundry list of aches and pains; the good news is that you're in the home stretch! The third trimester begins at 28 weeks and ends with the birth of the baby. 1  The baby is growing bigger and stronger; the kicks can be quite powerful and easily felt by others through the mother's belly. 2  The mother's abdomen is becoming larger and heavier.