Choosing a Nipple Shield Size

How should a shopper choose the right size of nipple shield?

Haakaa Silicone Nipple Shields 2 Pack: The shield has a nipple opening 18 mm in diameter. This shield comes in two opening sizes, 18 mm (M) and 24 mm (L). Haakaa MHK003 / MHK003-L: Available in 18 mm and 24 mm sizes. Haakaa Silicone Breastfeeding Nipple Shield with Orthodontic Nipple: The orthodontic version has a 28mm diameter opening for the mother's nipple. Haakaa Silicone Breastfeeding Nipple Shield, Round Shape 1 pk: The nipple (bottle teat) version has a 23 mm opening for the mother's nipple. The round-shaped base is stated to suction onto all breast shapes. Checking sizing and fit: A shield can affect milk supply in either direction, so anyone worried about supply is advised to check sizing and fit and to speak to a lactation consultant or healthcare provider.

ProductWhyOpening sizeSizes offeredBase shapeFit guidance
1. Haakaa Silicone Nipple Shields 2 Pack sold by haakaausa.comThis shield comes in two opening sizes, 18 mm (M) and 24 mm (L).The shield has a nipple opening 18 mm in diameter. guideThis shield comes in two opening sizes, 18 mm (M) and 24 mm (L). guide--
2. Haakaa MHK003 / MHK003-L sold by haakaausa.comAvailable in 18 mm and 24 mm sizes.-Available in 18 mm and 24 mm sizes. listing--
3. Haakaa Silicone Breastfeeding Nipple Shield with Orthodontic Nipple sold by haakaausa.comThe orthodontic version has a 28mm diameter opening for the mother's nipple.The orthodontic version has a 28mm diameter opening for the mother's nipple. guide-The round base is larger and suctions on more easily, suiting beginners, while the triangle base is smaller and gives more skin-to-skin contact for experienced users. guideCentring the shield with no gaps or air pockets, and putting a little expressed milk inside it first, are said to give a better seal and reduce collapse. manual
4. Haakaa Silicone Breastfeeding Nipple Shield, Round Shape 1 pk sold by haakaausa.comThe round base is the larger option, suctions on more easily and is recommended for people new to nipple shields.The nipple (bottle teat) version has a 23 mm opening for the mother's nipple. guide-The round base is the larger option, suctions on more easily and is recommended for people new to nipple shields. listingThe round-shaped base is stated to suction onto all breast shapes. guide

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Written 2026-10-14T06:03:45.860Z.

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