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Nicole Telfer

A photo of Nicole Telfer
Science writer

Nicole was a science content producer and a writer at Clue. A former personal trainer, naturopathic doctor, and pelvic exam model, Nicole is passionate about making bodies the best and healthiest they can be. In her spare time, Nicole loves board games, sewing, dogs, and puns.

one dark-skinned hand dropping a menstrual cup into another light-skinned hand beneath it

How to use a menstrual cup

Using a menstrual cup is an easy, safe, environmentally-friendly, and economical way to collect menstrual blood

An illustration of chlamydia bacteria.

Safer sex 101

Our tips on how to prevent STIs

Surgical instruments pointing inwards forming a circle around a piece of endometrial-like tissue

Managing endometriosis: treatment options

Endometriosis is a chronic inflammatory disease, affecting up to 1 in 10 women, and yet treatment options are limited.


Vaginas 101

The vagina changes: during sex, throughout the menstrual cycle, and with age and different life stages. There’s no such thing...

An illustration of the vulva and clitoris
Fluid being ejected out forcefully.

Let’s talk about squirting

It seems that we have been ejaculating for a long time.

An arm wearing a ticking watch with blood drops.

What’s “normal”?: menstrual cycle length and variation

The menstrual cycle is more than just your period—it’s the rhythmic changes of the your reproductive system.

A hand with the index finger extended with a large dollop of personal lubricant dripping off the side.

How to pick a lubricant

Personal lubricant (lube) can be used to help make sexual acts—like sex, masturbation, or sex toy play—more pleasurable.

An unpacked female condom, shown next to an orange for size perspective.
Non-Hormonal Birth Control

Internal (female) condoms 101

People may enjoy sex more with an internal condom because they feel safe knowing that they are in control of...

Four partial faces are shown, with different skin types.
Skin & Hair

Skin and the cycle: how hormones affect your skin

You may have noticed changes to your skin—particularly the skin of your face—starting around puberty. Your skin responds to many...

Photographs of 4 different types of hair: black, blond, brown, red.
Skin & Hair

Hair and the menstrual cycle

Your skin and scalp change in response to hormonal variations occurring throughout your cycle. Some people report more bad hair...

A paired spherical bacterium with hairs (pili) on the surface
illustration of a IUD on a yellow background with a white drop
Birth Control

Bleeding on the IUD

IUDs can have different effects on your period quality and quantity.

A head in side profile, with the top third removed in a transverse plane, with a rainbow creating ripples and clouds. The tone is relaxed and at peace.

Meditation, stress, and the menstrual cycle

Practicing meditation can promote both mental and physical changes throughout the body.

Back-view picture showing the hair of two people
Pregnancy, Birth & Postpartum

Hair changes during pregnancy

How hair evolves during pregnancy and after delivery

An illustration of the transgender symbol surrounded by different forms of birth control

What trans and nonbinary people need to know about birth control

Whether you’re undergoing hormone therapy or not, here’s what you need to know about preventing pregnancy.

A photo of Dr. Virginia J. Vitzthum
Chemical structure of different forms of estrogen in the body.
Hormones & Your Cycle

Estrogen 101

Getting to know our hormones.

Side profile of a person's neck, from shoulder to base of the ear.
A closeup photograph of a person's neck, against a rainbow background, wearing a white t-shirt
Illustration of a pair of legs and a person holding a mirror to inspect their genitals.

Genital warts 101

Genital warts are caused by certain strains of HPV. Two strains of HPV in particular—HPV 6 and HPV 11—are responsible...

A plate with a knife and fork, but no food.
Person holding pants, in yellow shades on a yellow background
The view is from a person's perspective looking down as they sit in a gynecological examination chair, towards their legs which are spread open with their feet resting in footrests.