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.
The third trimester starts with the beginning of week 27, ending with the delivery of your baby (around week 40) [2, 3]. Your baby weighs just over 2 pounds at the start of this trimester while the average weight of a baby at full term is around 7 pounds [4].