Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
every two courses
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "every two courses" is correct and usable in written English.
It can be used to indicate a frequency or interval, typically in contexts such as education, dining, or any situation where items are grouped in pairs. Example: "The students will receive feedback every two courses to help them improve their skills."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
17 human-written examples
Tumour response was assessed every two courses using the Response Evaluation Criteria in Solid Tumors (RECIST).
Science
Antitumour activity was evaluated every two courses (i.e. 6 weeks) on all measurable lesions.
Science
The evaluation was repeated every two courses, or more frequently in patients with clinically suspected progression.
Science
CT scanning was performed prior to study entry, after every two courses and 4 6 weeks after the last treatment.
Science
CT scans were repeated to evaluate lesions every two courses, and tumour markers were measured at the same time.
Science
The clinical tumor response was assessed radiologically by computed tomography after every two courses of chemotherapy, according to the Response Evaluation Criteria in Solid Tumors (ver. 1.0) [ 23].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
Assessment was performed every three courses.
Science
A computed tomography scan was repeated every three courses to assess the objective response.
Science
Patients were monitored for neurotoxicity every three courses with full neurological examination, electroneurography, electromiography and somatosensorial evoked potentials.
Science
Restaging was planned every three courses of chemotherapy: all target lesions were reassessed with the same method used on study entry according to WHO criteria (Miller et al, 1981).
Science
Even if activity was not the end point of the phase I part of the study, considering the fact that all patients enrolled were chemotherapy naïve, responses were assessed, with the same criteria of phase II, every three courses of treatment.
Science
Expert writing Tips
Best practice
When using "every two courses" in medical or scientific writing, ensure that the context clearly defines what constitutes a 'course' to avoid ambiguity.
Common error
Avoid ambiguity by explicitly stating what constitutes a 'course' within your specific context. For example, specify whether 'course' refers to chemotherapy cycles, academic semesters, or a different defined unit.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "every two courses" functions as an adverbial phrase of frequency, specifying how often an action or assessment is performed. Ludwig AI indicates it's commonly used to define intervals within a process.
Frequent in
Science
82%
News & Media
9%
Wiki
9%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "every two courses" is a common and grammatically correct way to express frequency, primarily used in scientific and medical contexts to define evaluation intervals in treatments. As Ludwig AI indicates, it specifies how often an action is performed. While alternatives like "every other course" or "after two courses" exist, "every two courses" is precise and frequently employed in structured documents like scientific publications and medical reports. When using this phrase, ensure clarity by defining what constitutes a 'course' to avoid ambiguity. Its frequent use in scientific literature underscores its relevance in settings requiring periodic and scheduled assessments.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
every other course
This alternative replaces the numerical "two" with "other", implying the same frequency.
after two courses
This alternative emphasizes the completion of two courses before the next action or assessment.
following two courses
Similar to "after two courses", this phrase indicates what comes next after the specified interval.
each pair of courses
This alternative highlights the grouping of courses in pairs for assessment or evaluation.
at intervals of two courses
This phrase explicitly states the interval between evaluations or procedures.
bi-course
This term is a more concise way to express "every two courses", though it may not be widely recognized.
every couple of courses
Using "couple" as a synonym for "two" provides a slightly more informal tone.
for each set of two courses
This alternative emphasizes the grouping of courses in sets of two.
twice per treatment cycle
This alternative is more specific to treatment contexts and indicates frequency within a cycle.
every second cycle of treatment
This alternative specifies that something occurs on alternating treatment cycles
FAQs
How is "every two courses" typically used in medical contexts?
In medical research, "every two courses" commonly refers to evaluation intervals in treatment regimens, such as chemotherapy, where assessments are conducted after each pair of treatment cycles to monitor efficacy and side effects.
What's a simpler way to say "every two courses"?
Depending on the context, you can use "every other course" or "after two courses".
Is "every two courses" more common in academic or medical writing?
"Every two courses" appears more frequently in medical and scientific literature, particularly when detailing treatment schedules and evaluation protocols.
What kind of assessments are typically performed "every two courses" in medical trials?
Assessments performed "every two courses" often include radiological imaging (CT scans, MRI), blood tests, and physical examinations to evaluate tumor response, monitor adverse events, and assess overall patient safety.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested