biology

World Vasectomy Day

World Vasectomy Day is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand World Vasectomy Day rather than just read about it. In short: World Vasectomy Day (WVD) is an annual event held on the third Friday in November to raise global awareness of vasectomy as a male-oriented solution to prevent unintended pregnancies. The goal is for doctors all over the world to perform vasectomies, connected to the event via Skype and social media platforms.

Key takeaways

World Vasectomy Day belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect World Vasectomy Day to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of World Vasectomy Day from memory before moving on to harder problems.

Reference excerpt

World Vasectomy Day (WVD) is an annual event held on the third Friday in November to raise global awareness of vasectomy as a male-oriented solution to prevent unintended pregnancies. The goal is for doctors all over the world to perform vasectomies, connected to the event via Skype and social media platforms.

History WVD was founded in 2012 by the American film-maker Jonathan Stack while he was working on a documentary about the decision of having a vasectomy. The underlying goal was to involve men in family planning decisions and educate them about vasectomies as a simple way of taking responsibility for birth control.

Annual events In 2013, prolific vasectomist Dr Douglas Stein was scheduled to perform vasectomies in front of an audience at the Royal Institution of Australia (RiAus) to launch the inaugural World Vasectomy Day with the world’s first live-streamed vasectomy. Stein answered questions from a live audience in Australia and an international online audience. The event's third edition was hosted by Indonesia in 2015; the fourth edition was centered in Kenya and featured a vasectomy broadcast live on Facebook. On 17 November 2017, at its fifth anniversary, more than 1,200 vasectomists in more than 50 countries joined the event, making it the largest male-focused family planning event in history. The 2017 event's headquarter was located in Mexico. The event has expanded in some countries from one day to three. Planned Parenthood offers free vasectomies over the three days for men who want to shift the burden of birth control from females to males. According to the official website, as of 2024 over 124,000 vasectomies have been performed by over 900 doctors in 32 different countries. In 2025 the event will be headquartered in Argentina.

References

External links Official World Vasectomy Day website

Worked examples

Example 1 — a first encounter with World Vasectomy Day

Start with the simplest possible case. Write down what World Vasectomy Day claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to World Vasectomy Day before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about World Vasectomy Day ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of World Vasectomy Day

In research: World Vasectomy Day appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses World Vasectomy Day in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: World Vasectomy Day is common in secondary-school and first-year university syllabi. It links to neighbouring topics Contraception for males, International observances, Male genital surgery, so understanding it makes those chapters shorter.
In everyday life: Look for World Vasectomy Day outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “World Vasectomy Day” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study World Vasectomy Day in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what World Vasectomy Day means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain World Vasectomy Day out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is World Vasectomy Day in simple terms?

Why does World Vasectomy Day matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study World Vasectomy Day?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on World Vasectomy Day.