What is look back period in visitors travel insurance?

The pre-existing look back period for a travel insurance policy is the number of days that the insurance company will “look back” to determine if a claim is related to a pre-existing condition. The look back period is generally between 60 and 180 days prior to the travel insurance policy's purchase date depending on the policy selected.

• I am flying a pregnant woman and her husband to the US from Sweden and she's going to be 33 weeks pregnant when they leave how can I get her insured while she's here?
• How many songs have hannah montana aka miley cyrus wrote?
• Do you need worldwide insurance for eygpt?