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Table 4 Multiple dose methotrexate (MTX) and leucovorin (LEU) for treatment of ectopic pregnancy

From: Incidence, diagnosis and management of tubal and nontubal ectopic pregnancies: a review

 

Day 1

Day 2

Day 3

Day 4

Day 5

Day 6

Day 7

Day 8

Labs

1. β-hCG

 

β-hCG

 

β-hCG

 

β-hCG

 
 

2. Safety labs (complete blood count, BUN, creatinine, AST, ALT)

       

3. Blood type and antibody screen

       

Action

MTX (1 mg/kg, IM)

LEU (0.1 mg/kg, IM)

β-hCG decline <15 % from Day 1 to Day 3: Give MTX

LEU

β-hCG decline <15 % from Day 3 to Day 5: Give MTX

LEU

β-hCG decline <15 % from Day 5 to Day 7: Give MTX

LEU

β-hCG decline >15 % from Day 1 to Day 3: Check β-hCG at one week intervals until zero.

 

β-hCG decline >15 % from Day 3 to Day 5: Check β-hCG at one week intervals until zero.

 

β-hCG decline >15 % from Day 5 to Day 7: Check β-hCG at one week intervals until zero.

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