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Search review questions
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.
2,653 questions in 194 reviews · Gynaecology and Fertility
current versionsNo studies 531 · 20%Ungraded 76 · 2.9%Very low 826 · 31.1%Low 855 · 32.2%Moderate 341 · 12.9%High 24 · 0.9%
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 |
|---|---|---|---|
IVF vs expectant management Miscarriage rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | no estimate extracted | NR | No studies |
IVF vs unstimulated IUI Live birth rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 2.47 [1.19, 5.12] | 2 studies · 156 participants | Low |
IVF vs unstimulated IUI Clinical pregnancy rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 4.83 [0.94, 24.95] | 1 study · 43 participants | Very low |
IVF vs unstimulated IUI Multiple pregnancy rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 1.03 [0.04, 27.29] | 1 study · 43 participants | Very low |
IVF vs unstimulated IUI OHSS rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | no estimate extracted | NR | No studies |
Vaginal hysterectomy vs abdominal hysterectomy Return to normal activities (days) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | 4 studies · 274 participants | Moderate |
Laparoscopic hysterectomy vs abdominal hysterectomy Major short‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 1.43 [0.67, 3.04] | 9 studies · 852 participants | Low |
Laparoscopic hysterectomy vs vaginal hysterectomy Return to normal activities (days) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | 3 studies · 238 participants | Low |
Laparoscopic hysterectomy vs vaginal hysterectomy Long‐term outcomes · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Laparoscopic hysterectomy vs vaginal hysterectomy Long‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 1 [0.25, 4.07] | 3 studies · 248 participants | Low |
Laparoscopic hysterectomy vs vaginal hysterectomy Intra‐operative visceral injury (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 0.93 [0.37, 2.33] | 10 studies · 1237 participants | Low |
Laparoscopic hysterectomy vs vaginal hysterectomy Major short‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 0.98 [0.22, 4.39] | 4 studies · 276 participants | Low |
Robotic hysterectomy vs laparoscopic hysterectomy Return to normal activities (days) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | 1 study · 100 participants | Very low |
Robotic hysterectomy vs laparoscopic hysterectomy Long‐term outcomes · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Robotic hysterectomy vs laparoscopic hysterectomy Long‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Robotic hysterectomy vs laparoscopic hysterectomy Intra‐operative visceral injury (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Vaginal hysterectomy vs abdominal hysterectomy Long‐term outcomes · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 2.69 [0.5, 14.42] | 1 study · 119 participants | Very low |
Robotic hysterectomy vs laparoscopic hysterectomy Major short‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Single‐port laparoscopic hysterectomy vs laparoscopic hysterectomy Return to normal activities (days) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Single‐port laparoscopic hysterectomy vs laparoscopic hysterectomy Long‐term outcomes · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Single‐port laparoscopic hysterectomy vs laparoscopic hysterectomy Long‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Single‐port laparoscopic hysterectomy vs laparoscopic hysterectomy Intra‐operative visceral injury (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 3.51 [0.14, 89.42] | 1 study · 64 participants | Very low |
Single‐port laparoscopic hysterectomy vs laparoscopic hysterectomy Major short‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Total laparoscopic hysterectomy vs laparoscopic‐assisted vaginal hysterectomy Return to normal activities (days) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Total laparoscopic hysterectomy vs laparoscopic‐assisted vaginal hysterectomy Long‐term outcomes · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Total laparoscopic hysterectomy vs laparoscopic‐assisted vaginal hysterectomy Long‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Total laparoscopic hysterectomy vs laparoscopic‐assisted vaginal hysterectomy Intra‐operative visceral injury (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 0.72 [0.06, 8.27] | 2 studies · 161 participants | Low |
Vaginal hysterectomy vs abdominal hysterectomy Long‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 3.2 [0.32, 31.9] | 2 studies · 177 participants | Low |
Total laparoscopic hysterectomy vs laparoscopic‐assisted vaginal hysterectomy Major short‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 0.28 [0.03, 2.45] | 1 study · 101 participants | Very low |
V‐NOTES vs laparoscopic hysterectomy Return to normal activities (days) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
V‐NOTES vs laparoscopic hysterectomy Long‐term outcomes · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
V‐NOTES vs laparoscopic hysterectomy Long‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
V‐NOTES vs laparoscopic hysterectomy Intra‐operative visceral injury (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 3.09 [0.12, 78.41] | 2 studies · 96 participants | Low |
V‐NOTES vs laparoscopic hysterectomy Major short‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Vaginal hysterectomy vs abdominal hysterectomy Intra‐operative visceral injury (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 1.62 [0.52, 4.99] | 7 studies · 697 participants | Low |
Vaginal hysterectomy vs abdominal hysterectomy Major short‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 3.14 [0.48, 20.55] | 3 studies · 216 participants | Low |
Laparoscopic hysterectomy vs abdominal hysterectomy Return to normal activities (days) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | no estimate extracted | 7 studies · 618 participants | Low |
Laparoscopic hysterectomy vs abdominal hysterectomy Long‐term outcomes · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 0.65 [0.32, 1.3] | 1 study · 166 participants | Very low |
Laparoscopic hysterectomy vs abdominal hysterectomy Long‐term complications (dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 0.94 [0.49, 1.82] | 3 studies · 343 participants | Low |
Laparoscopic hysterectomy vs abdominal hysterectomy Intra‐operative visceral injury(dichotomous) · patients with benign gynaecological disease Surgical approach to hysterectomy for benign gynaecological disease (2023) · Cochrane | OR 1.68 [0.88, 3.22] | 15 studies · 2298 participants | Low |
Drospirenone plus ethinylestradiol vs placebo Mean daily rating of problem severity (lower score is better) · women with premenstrual syndrome (most met DSM‐V criteria for premenstrual dysphoric disorder (PMDD)) Oral contraceptives containing drospirenone for premenstrual syndrome (2023) · Cochrane | no estimate extracted | 2 studies · 513 participants | Low |
Drospirenone plus ethinylestradiol vs placebo Mean change in daily rating of functional impairment: reduction of productivity (lower score is better) · women with premenstrual syndrome (most met DSM‐V criteria for premenstrual dysphoric disorder (PMDD)) Oral contraceptives containing drospirenone for premenstrual syndrome (2023) · Cochrane | no estimate extracted | 2 studies · 432 participants | Low |
Drospirenone plus ethinylestradiol vs placebo Mean change in daily rating of functional impairment: social activities (lower score is better) · women with premenstrual syndrome (most met DSM‐V criteria for premenstrual dysphoric disorder (PMDD)) Oral contraceptives containing drospirenone for premenstrual syndrome (2023) · Cochrane | no estimate extracted | 2 studies · 432 participants | Low |
Drospirenone plus ethinylestradiol vs placebo Mean change in daily rating of functional impairment: relationship interference (lower score is better) · women with premenstrual syndrome (most met DSM‐V criteria for premenstrual dysphoric disorder (PMDD)) Oral contraceptives containing drospirenone for premenstrual syndrome (2023) · Cochrane | no estimate extracted | 2 studies · 432 participants | Low |
Drospirenone plus ethinylestradiol vs placebo Changes in Premenstrual Tension Scale scores (observer‐rated; lower score is better) · women with premenstrual syndrome (most met DSM‐V criteria for premenstrual dysphoric disorder (PMDD)) Oral contraceptives containing drospirenone for premenstrual syndrome (2023) · Cochrane | no estimate extracted | 1 study · 387 participants | Low |
Drospirenone plus ethinylestradiol vs placebo Changes in Premenstrual Tension Scale scores (self‐rated; lower score is better) · women with premenstrual syndrome (most met DSM‐V criteria for premenstrual dysphoric disorder (PMDD)) Oral contraceptives containing drospirenone for premenstrual syndrome (2023) · Cochrane | no estimate extracted | 2 studies · 438 participants | Low |
Drospirenone plus ethinylestradiol vs placebo Withdrawal due to adverse events · women with premenstrual syndrome (most met DSM‐V criteria for premenstrual dysphoric disorder (PMDD)) Oral contraceptives containing drospirenone for premenstrual syndrome (2023) · Cochrane | OR 3.41 [2.01, 5.78] | 4 studies · 776 participants | Low |
Statin vs placebo Resumption of menstrual regularity (menstrual cycle length in days) · women with polycystic ovary syndrome not actively trying to conceive Statins for women with polycystic ovary syndrome not actively trying to conceive (2023) · Cochrane | no estimate extracted | 1 study · 37 participants | Very low |
Statin plus metformin vs metformin alone Improvement in acne severity (scale of 0–3) after 6 months' treatment · women with polycystic ovary syndrome not actively trying to conceive Statins for women with polycystic ovary syndrome not actively trying to conceive (2023) · Cochrane | no estimate extracted | 1 study · 69 participants | Very low |
Statin plus metformin vs metformin alone Improvement in testosterone level (nmol/L) after 6 months' treatment · women with polycystic ovary syndrome not actively trying to conceive Statins for women with polycystic ovary syndrome not actively trying to conceive (2023) · Cochrane | no estimate extracted | 1 study · 69 participants | Very low |