Table 1

Date	hCG (mIU/mL)	Scan findings
18/8	327	Gestational sac absent. Impression: pregnancy of unknown location, explained findings could represent early pregnancy, a miscarriage or an ectopic pregnancy, patient stable, red flags advised given
20/8	751	No imaging performed
22/8	2083	Gestational sac uncertain, size 5.3 mm, small cystic area seen within cavity? Early pregnancy gestational sac ?significance. Impression: pregnancy of unknown location, explained findings could represent early pregnancy, a miscarriage or an ectopic pregnancy, patient stable, red flags advised given
24/8	5144	Gestational sac not visualised, location: pregnancy of unknown location, yolk sac not visualised, GA 5 weeks 0 days , impression: pregnancy of unknown location, a small cystic area seen within endometrial lining however this is much smaller and much less clear than on previous scan (22/8)- 2nd opinion by EPU nurse gained, explained findings could represent early pregnancy, a miscarriage or an ectopic pregnancy, patient stable, red flag advised given
26/8	9204	Confirmed right tubal stump/corneal ectopic pregnancy

Table 1: Timeline of investigations, hCG levels and TVUS reports

Tables at a glance

Table 1

Figures at a glance

Figure 1

Figure 2

FIGURE 1

Figure 1: Transvaginal ultrasound, location of the uterus and ectopic pregnancy labelled, dated 26th August

FIGURE 2

Figure 2: Laparoscopic surgery images. A (top left): entry into peritoneal cavity through port. B (top right) and C (middle): tubal stump ectopic pregnancy D (bottom): uterus with right tubal stump ectopic pregnancy