Pregnancy during breastfeeding is also accurate if the pregnancy test is used correctly, the correct use of the pregnancy test: 1, before using the pregnancy test to check whether the expiration date. 2, to understand whether the pregnancy test is contaminated accordingly, if the packaging has been damaged, the pregnancy test is contaminated by certain chemicals, the test is also inaccurate. 3, to grasp the correct use of the pregnancy test, such as in the pregnancy test strictly according to the specific instructions operation, and then observe the results of the test. 4, if the first time through the pregnancy test did not show a positive result, you can do the test again in 1 week to know whether the result is positive. 3, to master the correct use of the pregnancy test, such as in the pregnancy test strictly according to the specific instructions, and then observe the results of the pregnancy test stick. 4, if the first time through the pregnancy test stick test did not appear positive results, you can after 1 week to do another test to understand whether it is positive results.