Although supraventricular tachycardia (SVT), including atrial flutter (AF), are the most common causes of intended in-utero fetal therapy, none of the medication used to date has been evaluated for their effects on the mother and her baby in a randomized controlled clinical trial (RCT). In the absence of such evidence, there is no consensus for the optimal…
You may be eligible if you are younger than 51 years old, have regular monthly periods with moderate to severe cramping, and are willing to try a NEW hormonal vaginal ring. The ring contains estrogen and progestin which are hormones found in some types of birth control pills, patches and rings.Participation in the study will consist of 6 study visits and 2…