Cripes, it's contagious. I had one lady who has been pregnant almost as long as my vault's been active, but 8 hours ago it spread to another woman. No luck on the vault-switching workaround.
I've also gotten a permanently pregnant dweller. I have room in the vault and have had other dwellers get pregnant and give birth since then. It wouldn't be so bad except for her being completely useless in an emergency.
I am full in food water and electricity, i also have 106 spaces for 62 dwellers. I have 3 women that are still prengnant after 48 hours and over.. And some women have been giving birth after them. But those three are bugged.!! They are at 98% happiness.. And i have an overall hapiness of 92%.. Bethesda keep telling me to post in here. But they do nothing to fix the bug.. Awckward.!
Finally got a response other than "check the forums" here is an email I recieved after addressing this issue 4 times (why Bethesda couldn't post this in this forum is beyond me) "Thank you for contacting Bethesda Technical Support. There will be a patch coming soon to address a number of these issues. For the time-being please bear with us and don't de-install the app if you have purchased lunchboxes as you may not be able to get a refund from Apple."
I've got 8 women who have been pregnant for over 48 hours. While other women have been having babies over and over. It's driving me crazy they are completely useless in an emergency. In my other vault I have 3 that have yet to have there babies as well they have been pregnant for just over 24 hours.
There have been dozens of new babies in my vault while one dweller has been pregnant for 2 or 3 days. I may have upgraded or merged the living quarters where she conceived right after conception but I'm not sure