NO donors are inferior to prostaglandins for first-trimester cervical ripening, and associated with more side effects. NO donors are comparable to placebo and no treatment for cervical ripening.

NO donors are superior to placebo or no treatment, but inferior to prostaglandins for first-trimester cervical ripening, and associated with more side effects.

The data of inhibin-A concentration at 14-20 weeks of gestation for normal Thai pregnant women fitted well with quadratic regression.

No abstract