Get rid of them.

I'm sure you get it, but this is kinda for whoever is out of the loop on this.

Yeah, right now the meta for pro-choice women is to delete and remove all period tracking apps under the assumption the apps will snitch directly to the government on you, so that, say, Texas lawmakers will know if your period is overdue, and thus you are expected to be possibly pregnant. Then, if that data leads them to certain conclusions, they assume an abortion has happened, and they want that fully criminalized.

It is not unlikely to expect an incarceration in order to "protect the life of the baby", even if you have made no move toward abortion, but once the tracker app and its data tell the patriarchy that you might be pregnant, all bets are off.

Even worse is that sometimes a woman's period is just irregular, or even disappears for a time, especially if she's on some serious athletics and a tight diet, so there's a lot of room for false positive "pregnant" results with possible felony charges on the line, over the fucking tracker app on your phone.

The same situation drives the daughter's actions, doctors will often snitch, and the problem of anti-choice doctors getting you incarcerated because they think you might be pregnant is well known.

Basically this information is now expected to be used to monitor for pregnancy, possibly by law enforcement directly, and it becomes very compromising, especially for a teen girl who already lacks the rights she needs to take herself away from unwanted situations and states. She also likely wants to normalize this behavior for herself, so that others wanting to hide pregnancy do not set off "red flags" when they try to maintain privacy.