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Is there a chance I could have ovulated later?

Carla • Sat, May 10 • MC 30.08.18 MC 14.02.19 Rainbow baby Roman born 10/12/19 TTC 2022 Ectopic sept 14.09.23 TTC 2024

All my apps think I ovulated cd 13 but is there a chance I could have ovulated cd 16 instead? AF hasn’t arrived. All my apps say I’m a day late!

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