Baby is cared for throughout the night, yet still requires lots of nourishment and comforting when the sun's up. (mymilkybaby.com)
If you're not feeling well, you can explain that the baby needs a lot of nourishment: «Growing a baby is a lot of work. (babycenter.com)
Hypothalamic amenorrhea, given that it's the condition of having starved (intentionally or not) your body into a state of infertility with low calorie diets, fasting, or excessive exercise, requires a lot of nourishment and care. (paleoforwomen.com)