Adverse events  · women trying to conceive by intrauterine insemination
It is very uncertain whether intramuscular (IM) progesterone changes adverse events  compared with vaginal progesterone (very low certainty).
1 finding from 1 review
OHSS, preterm delivery, congenital anomaly · women trying to conceive by intrauterine insemination
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Ongoing pregnancy · women trying to conceive by intrauterine insemination
It is very uncertain whether aqueous subcutaneous (Sc) progesterone changes ongoing pregnancy rate compared with vaginal progesterone gel (very low certainty).
1 finding from 1 review
Clinical pregnancy rate · women trying to conceive by intrauterine insemination
It is very uncertain whether aqueous subcutaneous (Sc) progesterone changes clinical pregnancy rate compared with vaginal progesterone gel (very low certainty).
1 finding from 1 review
Vaginal bleeding over 6‐month · women with atypical endometrial hyperplasia
Levonorgestrel‐releasing intrauterine system (LNG‐IUS) may leads to higher vaginal bleeding over 6‐month compared with medroxyprogesterone (MPA) 10 mg (low certainty).
1 finding from 1 review
Maternal infection or inflammation · women with singleton pregnancies at risk of cervical insufficiency
Cervical pessary showed no clear difference in maternal infection or inflammation compared with vaginal progesterone (moderate certainty).
1 finding from 1 review
Neonatal/paediatric care unit admission · women with singleton pregnancies at risk of cervical insufficiency
Cervical pessary showed no clear difference in neonatal/paediatric care unit admission compared with vaginal progesterone (low certainty).
1 finding from 1 review
Fetal/infant mortality · women with singleton pregnancies at risk of cervical insufficiency
Cervical pessary showed no clear difference in fetal/infant mortality compared with vaginal progesterone (low certainty).
1 finding from 1 review
Harm to offspring from the intervention · women with singleton pregnancies at risk of cervical insufficiency
1 finding from 1 review
Birthweight (g) · women with singleton pregnancies at risk of cervical insufficiency
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Preterm birth less than 34 weeks' gestation · women with singleton pregnancies at risk of cervical insufficiency
Cervical pessary showed no clear difference in delivery before 34 weeks' gestation compared with vaginal progesterone (moderate certainty).
1 finding from 1 review
Preterm birth · women with singleton pregnancies at risk of cervical insufficiency
Cervical pessary showed no clear difference in delivery before 37 weeks' gestation compared with vaginal progesterone (moderate certainty).
1 finding from 1 review