Cervical Effacement: Causes, Measuring & What It Means
Successful treatment with home care during the second half of a twin pregnancy complicated by a short cervix: A case report | Biomedical Research and Therapy
Transvaginal ultrasound features of the residual cervix in pregnancy after radical trachelectomy | SpringerLink
Cerclage may reduce the risk of premature labor in some twin pregnancies | Your Pregnancy Matters | UT Southwestern Medical Center
JKMS :: Journal of Korean Medical Science
Nature's Cycle - What to know about a weak or short cervix prior to pregnancy and during, particularly in the 1st trimester. Too many women endure going into unecessary premature births and
short cervix -Cervical insufficiency
Guideline No. 401: Sonographic Cervical Length in Singleton Pregnancies: Techniques and Clinical Applications - Journal of Obstetrics and Gynaecology Canada