Irregular periods are common. Home pregnancy tests vary in accuracy. Doctor's appointments can take weeks to get. There are many reasons a woman may not know she's pregnant at six weeks: https://t.co/48KeIMxxgj

Irregular periods are common. Home pregnancy tests vary in accuracy. Doctor's appointments can take weeks to get. There are many reasons a woman may not know she's pregnant at six weeks: https://t.co/48KeIMxxgj (via Twitter http://twitter.com/CNN/status/1126430595930832902)