every three month

USAGE SUMMARY

The phrase "every three months" is correct and usable in written English.
You can use it when referring to an event which occurs once every three months. Example: I attend a board meeting every three months to review our budget.

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

The cancer lingers like the boogeyman in the background, with every three month check-up.

Huffington Post

Not an exciting thought but one that came around every three month, accompanied by I hate doing VAT returns.

Huffington Post

All patients were evaluated baseline and at least every three month and followed for a period of three years.

European Archives of Psychiatry and Clinical Neuroscience

Nevertheless, we have devised different models for updation of Hmrbase at a period of every three month (see Additional file 1).

BMC Genomics

Those patients who were not on ART come to the clinic every three month for followup whereas those on ART come every month for monitoring and medication refill.

Cost Effectiveness and Resource Allocation

Check up on them,once every three month.

WikiHow

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

ECG will be reviewed every six month.

BMC Complementary and Alternative Medicine

The stability of the phenotype was tested routinely every six month.

BMC Genomics

A longitudinal study was carried out from October 2011 to March 2013, with three times follow-up of every six month.

BMC Public Health

The data were collected from the records starting from the time of ART initiation and every six month afterwards.

BMC Infectious Diseases

After the baseline evaluation, participants were followed up and re-evaluated with the same set of questionnaires every six month up to two years (i.e., three times).

BMC Psychiatry

Expert writing Tips

Best practice

When clarity is paramount, consider using the phrase "every three months" instead of "every three month". This avoids potential ambiguity.

Common error

Avoid using the singular form "month" when referring to a recurring event. The correct phrasing is almost always "every three months" to denote a duration that happens multiple times.

Linguistic Context

The phrase "every three month" functions as an adjectival modifier describing the frequency or interval at which something occurs. Although Ludwig states that "every three months" is preferable, the phrase, in a more simplified form, modifies a noun, specifying a duration or frequency of action.

Expression frequency: Uncommon

Frequent in

Science

40%

News & Media

40%

Wiki

20%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "every three month" is grammatically acceptable but less common than "every three months". Ludwig AI confirms that "every three months" is correct and usable. While it's understandable, opting for the plural form, "every three months", is advisable for greater clarity. The phrase appears in various contexts, including science, news, and general discussions. For formal writing, using "every three months" is generally recommended. Using similar options to the query like "quarterly" and "every trimester" are alternatives with slight different meaning nuances.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

every third month

Reorders the words while preserving the original meaning, adding emphasis on the ordinal position of the month.

once every three months

Expands the phrase to emphasize the frequency of occurrence within the specified period.

quarterly

Adopts a single-word adjective to denote recurrence every three months, offering a more concise expression.

every three-month period

Incorporates a hyphen to clarify that 'three-month' is a compound adjective describing the 'period'.

every trimester

Replaces "three month" with its synonymous term "trimester", suitable when the interval refers to a period of pregnancy or academic year.

each three month period

Emphasizes that each period is three months in duration.

at three-month intervals

Uses a noun phrase to specify the regularity of occurrence, focusing on the temporal distance between events.

at intervals of three months

Focuses on the spacing between events, highlighting the consistent gap of three months.

every 90 days

Replaces "three month" with an exact amount of days that can be used when precision is needed.

on a tri-monthly basis

Uses "tri-monthly" to condense the phrase, indicating an event happening three times a month rather than every three months, so has a high risk of misinterpretation.

FAQs

Is it grammatically correct to say "every three month"?

While understandable, the grammatically preferred phrasing is "every three months". The plural form emphasizes the recurring nature of the three-month interval.

What's the difference between "every three month" and "every three months"?

The phrase "every three months" is the standard and grammatically correct way to express that something happens once in a period of three months. "Every three month" is an ungrammatical shortening of the standard form. The standard form should be preferred in formal writing.

What are some alternatives to saying "every three months"?

You can use alternatives like "quarterly", "every trimester", or "once every three months" depending on the context.

How can I use "every three months" in a sentence?

Here's an example: "The data is reviewed "every three months" to ensure accuracy."