Does incompetent cervix and preterm birth affet on fertility or being pregnant again?

No. Incompetent cervix and preterm birth put your future pregnancies at higher risk, however, they do not affect your ability to get pregnant.
Only the pregnancy. Women with incompetent cervix and preterm birth are more likely to have these events occur with future pregnancies. However, they do not affect the chances of actually getting pregnant. It is a good idea to see out expert help before the next pregnancy to try to set up a plan to minimize these risks.

Related Questions

Incompetent cervix so which foods must be avoided? Is there anything else what I must not do to avoid premature birth?

Cerclage. If you have been diagnosed with an incompetent cervix then ask if you are a candidate for a cerclage. This is a surgical procedure to support the cervix. You may also benefit from Progesterone injections (17 OH Progesterone) or vaginal progesterone suppositories. There are not particular food recommendations or restrictions for this condition. Read more...

I have cerclage placed, on 17p, and vag suppositories for incomp cervix h/o preterm birth, if I sit mostly at work is it safe to come off bedrest?

Talk to your OB. There are differing opinions among obs about the value of bed rest after cerclage. You should discuss this with your OB or have a consultation with a high risk pregnancy specialist. Read more...
Tough one. So far, bed rest has not been proven to be an effective method for preventing pre-term labor. Despite that, most doctors would still keep their patient on bedrest if there were worrisome signs, like a short cervix on sonogram, or cramping when the patient is active. Those pieces of information would be necessary to get a better idea of whether its safe for you to come off of bedrest. Read more...