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Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.
531 questions in 102 reviews · Gynaecology and Fertility
current versionsNo studies 531 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Metformin vs metformin combined with oral contraceptive pill (OCP) Acne ‐ Visual analogue scale/Clinical acne score · adult women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Oral contraceptive pill (OCP) vs metformin combined with OCP Improved menstrual pattern · aAdult women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs oral contraceptive pill (OCP) Adverse event ‐ Severe · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs oral contraceptive pill (OCP) Improved menstrual pattern · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs oral contraceptive pill (OCP) Acne ‐ Visual analogue scale or Clinical acne score · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs metformin combined with oral contraceptive pill (OCP) Hirsutism ‐ Clinical F‐G score · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs metformin combined with oral contraceptive pill (OCP) Adverse event ‐ Severe · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs metformin combined with oral contraceptive pill (OCP) Adverse event ‐ Minor · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs metformin combined with oral contraceptive pill (OCP) Improved menstrual pattern · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs metformin combined with oral contraceptive pill (OCP) Acne ‐ Visual analogue scale or Clinical acne score · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs oral contraceptive pill (OCP) Adverse events ‐ Minor · adult women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs metformin combined with oral contraceptive pill (OCP) BMI (kg/m2) · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Oral contraceptive pill (OCP) vs metformin combined with OCP Adverse events ‐ Minor · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Oral contraceptive pill (OCP) vs metformin combined with OCP Improved menstrual pattern · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Oral contraceptive pill (OCP) vs metformin combined with OCP Acne ‐ Visual analogue scale or Clinical acne score · adolescent women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Metformin vs metformin combined with oral contraceptive pill (OCP) Adverse events ‐ Minor · adult women with PCOS Metformin versus the combined oral contraceptive pill for hirsutism, acne, and menstrual pattern in… (2020) · Cochrane | no estimate extracted | NR | No studies |
Natural cycle vs programmed cycle Multiple pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Natural cycle vs programmed cycle Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Transdermal oestrogens vs oral oestrogens Live birth rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Transdermal oestrogens vs oral oestrogens Multiple pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Transdermal oestrogens vs oral oestrogens Cycle cancellation rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Transdermal oestrogens vs oral oestrogens Endometrial thickness (mm) · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Transdermal oestrogens vs oral oestrogens Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Starting administration of the progestogen earlier vs starting administration of the progestogen later Live birth rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Starting administration of the progestogen earlier vs starting administration of the progestogen later Endometrial thickness · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Starting administration of the progestogen earlier vs starting administration of the progestogen later Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
GnRH agonists vs control Multiple pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
GnRH agonists vs control Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Among different GnRH agonists vs placebo Live birth rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Among different GnRH agonists vs placebo Multiple pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Stimulated cycle vs programmed Multiple pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Among different GnRH agonists vs placebo Cycle cancellation rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Among different GnRH agonists vs placebo Endometrial thickness (mm) · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Among different GnRH agonists vs placebo Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
GnRH agonists vs GnRH antagonists Live birth rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
GnRH agonists vs GnRH antagonists Cycle cancellation rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
GnRH agonists vs GnRH antagonists Endometrial thickness (mm) · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
GnRH agonists vs GnRH antagonists Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Stimulated cycle vs programmed Cycle cancellation rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Aspirin vs control Miscarriage rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Aspirin vs control Multiple pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Aspirin vs control Cycle cancellation rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Aspirin vs control Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Steroids vs control Multiple pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Steroids vs control Cycle cancellation rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Steroids vs control Endometrial thickness (mm) · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Steroids vs control Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Stimulated cycle vs programmed Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from… (2020) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Adverse events ‐ Multiple pregnancy · women with subfertility Antioxidants for female subfertility (2020) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Adverse events ‐ Gastrointestinal disturbances · women with subfertility Antioxidants for female subfertility (2020) · Cochrane | no estimate extracted | NR | No studies |