 [ Symptoms ] i was born with small intestines – now held together with pins i am pregnant will pins hold [ Disease ] you are only guaranteed a medigap plan within the first six months of becoming eligible for medicare after that insurers can take the state of your health into consideration when deciding whether or not to sell you a plan and for how much that is why experts often suggest people think carefully before switching from traditional medicare to medicare advantage it is the one part of medicare that does not guarantee coverage beyond the initial eligibility period i would suggest you contact your state health insurance assistance programs for free unbiased help people there will be familiar with the specific plans available in your state and help walk you through the selection process