This is Dr. David
your question has been studied in large populations
here is one large study
This study does not demonstrate that cervical dilation during D&C predisposes to cervical insufficiency or weakness in future pregnancies.
but you do have an increased risks for postpartum hemorrhage and bleeding after birth among patients with a history of dilation and curettage
but you don't have to worry about that now. that is something after pregnancy and delivery.
you can talk to your gyn doctor about this risk after delivery of bleeding.
let me know if you have other questions.
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no, the manual dilation of your cervix from your prior vacuum aspiration procedure would not cause problems for your pregnancy now at 11 weeks or during your term
but can lead to more bleeding after your delivery.
your vaginism would not have made your dilation more difficult
you don't have to worry about your pregnancy
you can wait to see your gyn doctor at 16 weeks