Day 45: some breastfeeding facts

A few facts and pieces of information on breastfeeding I found interesting…

Facts about breast milk itself

According to a British Report (Department of Health and Social Security 1988), each 100 ml of mature breast milk (i.e., breast milk produced after 21 days of lactation) contains approximately:

  • 70 calories
  • 89.97 g water
  • 7.4 g carbohydrates (primarily lactose)
  • 4.2 g fat
  • 1.3 g protein

How much does a baby eat when breastfeeding?

  • Approximately 25 oz (750 mL) per day between the ages of 1 month and 6 months (interestingly in exclusively breastfed babies this amount does not go up during this period)
  • As such you can work out roughly how much they eat at each feed for expressing purposes e.g 6 feeds in 24 hours (750ml/6) they will take in 125ml at each feed

Calories burned
So the midwife at the hospital advised you lose 500 extra calories a day with breastfeeding. My midwife visitor said it was 1000 and a crazy health visitor said 1,500 (eat as much chocolate as you can… she wasn’t slim). That’s a big difference of approximately 4 whole Magnum ice creams! Truth is I’m not really watching what I eat, just eating when hungry. However working on the figures above (70 calories per 100ml, 750ml in 24 hours), you should use up 525! Or if you are working out per feed (6 feeds) = 87.5 calories.

Let’s be honest, who doesn’t want to get back to their original figure!? Thing is, especially if you’re breastfeeding, I just don’t think this is such a good time to diet. The milk needs to be full of goodness and if you look at the facts above you should be consuming more carbs and fat, protein (in that order) and A LOT of water! In fact you could say you should be taking an extra:

  • 675g water
  • 56g carbohydrates (primarily lactose)
  • 32 g fat
  • 10g protein

Baby feeding is faster than an expressing machine
Good to know when you labour over the expresser. Takes about 30 mins to express a boob for me, producing about 100ml. Also my right tends to express more/faster. Lo-Lo is also more efficient in the sense that after she has finished feeding it feels like she has drained the breast well. What I’d love to know is on average how much faster is it to breastfeed vs pumping but guess it all depends on you and your baby. If anyone knows of any sources please let me know.

Also interesting to know baby’s average stomach capacity




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