Table 2.

Summary of heterogeneity and multiplicity results

Outcomes	Cochran’s Q	PCochran’s Q	MR Egger intercept	PMR Egger intercept	Global test RSSobs	PGlobal
Excessive, frequent and irregular menstruation	8.552	0.931	-9.90 × 10− 05	0.728	10.748	0.929
abnormal uterine and vaginal bleeding	12.35	0.720	-1.45 × 10− 04	0.363	13.946	0.817
Endometriosis	21.905	0.146	-2.26 × 10− 04	0.110	26.495	0.135
Female infertility	9.479	0.892	-1.12 × 10− 04	0.189	11.418	0.917
Hemorrhage in early pregnancy	10.44	0.843	-1.63 × 10− 04	0.072	11.935	0.872
Other abnormal products of conception	26.79	0.044	-4.40 × 10− 05	0.751	30.194	0.071
Number of spontaneous miscarriages	14.601	0.554	3.94 × 10− 03	0.241	17.801	0.524
Single spontaneous delivery	19.205	0.258	-1.25 × 10− 04	0.378	26.243	0.119
Long labour	8.981	0.914	1.99 × 10− 04	0.065	11.093	0.911
Birth weight of first child	10.066	0.863	8.78 × 10− 04	0.698	23.116	0.265

Abbreviations: RSSobs [observed residual sum of squares]