Small, 4 fl oz (120 mL) bottles are a good size for newborns. As your baby starts to take more formula during a feeding, you will likely want to have bigger 8 fl oz (240 mL) bottles on hand.
Bottles are made of glass or plastic.
Some people are concerned about bisphenol A (BPA), a chemical in some plastic (polycarbonate) bottles. A group of experts concluded that bisphenol A may have some effect on the behavior, brain, and prostate gland of a developing baby (fetus) or young child.1, 2 If you are concerned about BPA, don't use bottles marked with the number 7 or the letters "PC" near the recycle symbol. You can use glass or BPA-free plastic bottles instead. For more information about BPA, see the website www.hhs.gov/safety/bpa.
Nipples have been designed to imitate a mother's nipple. The human nipple is short and flexible, which makes it easy for a baby to grasp and suckle. But some babies have difficulty with some bottle nipples that are too short.
General guidelines for buying bottle nipples:
Nipple shapes include:
You may need to experiment with a few different types of nipples until you find one that seems most natural for your baby.
- National Toxicology Program, Center for the Evaluation of Risks to Human Reproduction (2008). NPT-CERHR Monograph on the Potential Human Reproductive and Developmental Effects of Bisphenol A (NIH Publication No. 08-5994). Available online: http://cerhr.niehs.nih.gov/evals/bisphenol/bisphenol.pdf.
- Braun JM, et al. (2011). Impact of early-life bisphenol A exposure on behavior and executive function in children. Pediatrics, 128(5): 873–882.
|Primary Medical Reviewer||John Pope, MD - Pediatrics|
|Specialist Medical Reviewer||Thomas Emmett Francoeur, MD, MDCM, CSPQ, FRCPC - Pediatrics|
|Last Revised||April 23, 2012|
Last Revised: April 23, 2012
Author: Healthwise Staff
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