To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy notice. You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. Click 'Decline' to reject, or 'Customise' to make more detailed advertising choices, or learn more. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.

Cookies store or access standard device information such as a unique identifier. Your choice applies to using first-party and third-party advertising cookies on this service. If you agree, we'll also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie notice. We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements.

Amniotic fluid usually has a pH of 7.0 to 7.3, different from a normal vaginal pH of 3.8 to 4.2. Nitrazine paper can be used to test the pH of this fluid. We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie notice. Rapid Color Development: 1 drop of amniotic fluid leakage turns blue, amniotic fluid test strips quickly color development, and seek treatment in time. Pooling is the direct observation of amniotic fluid leaking from the cervical os and collecting in the vaginal vault.

Amniotic fluid strip test color