How to Avoid Sentence Fragments in Medical Writing

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How to Avoid Sentence Fragments in Medical Writing

Table of Content
1. What Is a Sentence Fragment?
2. Common Types of Sentence Fragments
3. Why Sentence Fragments Occur in Scholarly Writing
4. How Sentence Fragments Affect Manuscript Quality
5. How to Identify Sentence Fragments
6. How to Fix Incomplete Sentences in Manuscripts
7. Discipline-Specific Considerations
8. Best Practices to Avoid Sentence Fragments

Academic and scientific writing require clarity, precision, and grammatical correctness. Sentence fragments are one of the most made (and most often missed) mistakes in scholarly manuscripts. In discussions of academic writing, sentence fragments are often underestimated despite their frequent appearance in peer-reviewed literature. A sentence fragment is an incomplete structure that conveys a thought. To clearly understand what sentence fragments are, authors must recognize that fragment constructions fail to meet formal grammatical requirements for complete sentences. In essence, sentence fragments hurt the logical flow of your arguments and reduce the reader’s ability to read your manuscript. In addition, they influence how peer reviewers perceive your work with regard to the quality and quantity of evidence for your methodological rigor and authorial competence.[1] Even small fields of syntax (or grammar) that are not correct may cast doubt on the credibility of otherwise solid scientific work[2]. Sentence fragments in academic papers are therefore considered a serious issue in editorial and peer-review evaluation. This article describes what a sentence fragment is, when it appears in an academic manuscript, and how to systematically identify and correct a sentence fragment.

1. What Is a Sentence Fragment?

A sentence fragment is a group of words punctuated as a sentence but lacking one or more essential components of a grammatically complete sentence.[3] In formal academic writing, a complete sentence must typically include:

A subject
A finite verb
A complete independent clause expressing a full idea

At the most fundamental level, academic sentences must demonstrate a clear subject-predicate-verb relationship to be grammatically complete. Fragments often arise when dependent clauses, phrases, or transitional elements are mistakenly separated from their main clauses. This is especially common in cases involving a dependent clause fragment that is incorrectly punctuated as a full sentence.

2. Common Types of Sentence Fragments

Fragment Type	Description	Example (Fragment)
Dependent clause fragment	Begins with a subordinating conjunction	Although the sample size was small.
Phrase fragment	Contains no subject or verb	Due to methodological limitations.
Relative clause fragment	Begins with which, that, or who	Which affected the results.
Participial fragment	Use of -Ing or -ed verbs incorrectly	Leading to biased outcomes.

Many of these errors stem from subordinate clause problems, particularly when authors attempt to emphasize findings without completing the sentence structure.

3. Why Sentence Fragments Occur in Scholarly Writing

Many scientific and clinical manuscripts will contain sentence fragments for a variety of reasons, including:

Complex sentence formation with multiple subordinate clauses, modifiers
Overuse of transition words (e.g., however, therefore, and because)
De nominalized verb forms and ungrammatical structures
Fatigue associated with revisions late in the process of completion
Support of the spoken language as a source of writing.

These factors often result in incomplete sentences that appear stylistically acceptable but are grammatically unsound in academic prose. Authors from fields such as biomedical sciences or engineering frequently try to compress the very technical, intricate methods into a few short sentences, creating fragments in figures’ captions, results, or discussions.[4]This issue is particularly noticeable in physician writing, where complex clinical reasoning is often condensed into brief statements.

4. How Sentence Fragments Affect Manuscript Quality

From an editorial and peer-review perspective, sentence fragments can have several negative consequences:

Disrupt logical coherence and argument progression
Obscure causal relationships and methodological explanations
Reduce readability and comprehension for interdisciplinary audiences
Signal weak language control to reviewers and journal editors

Empirical studies in applied linguistics show that grammatical accuracy significantly influences reviewer judgments of manuscript quality, particularly for non-native English authors.[5]As a result, many journals recommend proofreading for sentence fragments as part of pre-submission quality control.

5. How to Identify Sentence Fragments

Before correcting sentence fragments, authors must learn to recognize them systematically.[6]Effective strategies include:

Clause testing: Ask whether the sentence can stand alone
Verb identification: Check for a finite verb expressing tense
Subordinator detection: Look for words like because, although, which
Read-aloud technique: Fragments often sound incomplete when read aloud
Reverse outlining: Identify the function of each sentence within a paragraph

Using a reliable sentence correction tool can assist authors in identifying fragment patterns, though manual verification remains essential.

6. How to Fix Incomplete Sentences in Manuscripts

Correcting sentence fragments typically involves one of the following strategies:

These approaches form the foundation of many academic writing improvement tools used by professional editors. The table below provides the illustrative sentence fragments examples, correction strategies and their application in academic writing.

Strategy	Fragment Example	Revised (Complete Sentence)
Sentence combining	Although the intervention improved outcomes.	Although the intervention improved outcomes, the effect was not statistically significant.
Sentence expansion	Due to insufficient follow-up.	The study was limited due to insufficient follow-up.
Editorial simplification	Because the data were incomplete.	The data were incomplete.
Sentence restructuring	Results suggesting clinical benefit.	The results suggested a clinically meaningful benefit.

Such revisions are commonly addressed through grammar fixing services that specialize in sentence-level corrections.

7. Discipline-Specific Considerations

There are several sections of a manuscript where the frequency of sentence fragments occurs most often

Abstract: Often caused by authors trying to compress their writing to fit within the specified word count limit.
Figure Legends: Written in telegraphic style is often mistakenly viewed as formal prose.
Discussion: Several authors will use fragmented emphasis sentences to capture and emphasize specific points made earlier in the manuscript.
Systematic Review: Using long noun phrases instead of verbs can fragmented sentences.

Editors frequently observe sentence fragments in academic papers across these sections during manuscript screening. While sentence fragments can be used in slides and graphical abstracts, they should not be used in the main text of your article when being submitted for peer review.

8. Best Practices to Avoid Sentence Fragments

To reduce your potential for using sentence fragments when preparing your manuscript. [7]

Use grammar-checking software with caution and verify the suggestions of such programs manually.
Dedicate time solely to language revisions (i.e. sentence level) separate from content editing. Look to established guidelines for writing in an academic style will help produce clearer sentences.
For manuscripts intended for submission to high-impact journals, use the services of a professional language editor.

Engaging an Academic editorial service can significantly improve sentence structure accuracy.

Connect with us to explore how we can support you in maintaining academic integrity and enhancing the visibility of your research across the world!

Conclusion

Sentence fragments occur frequently in scholarly writing, but they can be avoided by understanding what comprises a complete sentence, recognizing the common patterns of sentence fragments, and implementing targeted revision methods to enhance manuscript authoring clarity and increase the potential academic authorial impact. For scientists seeking to publish within competitive journals, mastering accuracy at the sentence level is not only a matter of good grammar; it is also an essential component of effective scientific communication.

Struggling with sentence fragments or language issues in your manuscript? Pubrica’s expert academic editors help eliminate grammatical errors, improve clarity, and ensure your research meets journal standards.

References

Hyland, K. (2016). Academic publishing and the myth of linguistic injustice. Journal of Second Language Writing, 31, 58–69. https://doi.org/10.1016/j.jslw.2016.01.005
Swales, J. M., & Feak, C. B. (2012). Academic writing for graduate students: Essential tasks and skills. Michigan Series in English for Academic & Professional Purposes. University of Michigan Press. https://atgender.eu/wp-content/uploads/sites/207/2022/03/Academic-Writing-for-Graduate-Students-PDFDrive-.pdf
Traffis, C. (2017, October 4). What is a sentence fragment? Definition and examples. What Is a Sentence Fragment? (With Examples) | Grammarly; Grammarly Blog. https://www.grammarly.com/blog/sentences/mistake-of-the-month-sentence-fragments/
Gastel, B., & Day, R. A. (2024). How to write and publish a scientific paper (9th ed.). Cambridge University Press.https://comegic.org.mx/wp-content/uploads/2023/06/Como-escribir-articulo-cientifico.pdf
Hyland, K., & Jiang, F. (kevin). (2019). Is academic writing becoming more informal? In Academic Discourse and Global Publishing (pp. 207–224). Routledge. https://ueaeprints.uea.ac.uk/id/eprint/66139/1/Accepted_manuscript.pdf
Identifying Sentence Fragments. (n.d.). Byui.edu. Retrieved December 31, 2025, from https://content.byui.edu/file/b8b83119-9acc-4a7b-bc84-efacf9043998/1/Grammar-1-5-1.html
Flowerdew, J. (2015). Some thoughts on English for Research Publication Purposes (ERPP) and related issues. Language Teaching, 48(2), 250–262. https://doi.org/10.1017/s0261444812000523