Table 1. SPIRIT figure including all study activities.

	Study period
	Enrolment	Allocation	Post-allocation
Timepoint	t-1	0	t1	t2	t3	t4
Enrolment
Eligibility screen	X
Informed consent	X
Allocation		X
Interventions
HSG with oil-based contrast			X
HyFoSy with ExEm Foam			X
Assessments
Demographics		X
Thyroid function testing*	X			X
APAIS			X
Pain score (VAS)			X
Procedure and results			X
Adverse events			X		X
iMCQ and iPCQ					X
Treatments					X
Pregnancies					X
Pregnancy follow-up						X

t−-1: prior to allocation, t1: day of intervention, t2: one1 month after tubal patency testing, t3: 6 months after randomizsation, t4: after giving birth.

^*nNo mandatory study intervention.

APAIS, Amsterdam Preoperative Anxiety and Information Scale; iMCQ, Medical Consumption Questionnaire; iPCQ, Productivity Cost QuestionnaireSPIRITStandard Protocol Items: Recommendations For Interventional TrialsVAS, Visual Analog Scale