People were quick to take to the comments section, with one writing: "I have a twin brother who was conceived 3 weeks before me!"They continued to monitor it for several weeks and then I developed a heartbeat!"Both healthy babies! But yeah... it's pretty rare."
"My high school teacher used to say the only safe days is when you are pregnant. Well... She was wrong," another added.Noah and Rosalie are now two years old and "doing well", Rebecca wrote.They're now two, with a size difference clear to see
Same father? That might be rarer?
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