X icon button to close sales banner

Now you can invest in Clue

Become a co-owner from just €10 and shape the future of menstrual and reproductive health with us.

Find out more

Sarah Toler, DNP, CNM

A photo of Sarah Toler, DNP, CNM
Science Writer at Clue

Dr. Sarah Toler is the Science Content Lead at Clue. She holds a Doctorate in Nursing Practice and is a Certified Nurse Midwife. She is an abortion advocate.

Trying to Conceive

Introducing: Clue Conceive

When your reproductive plans change, it’s common to feel unsure of where or how to start. That’s why we’ve created...

Spotting vs light period
Bleeding

What is spotting and why does it happen?

How, when, and why does spotting happen? Is it different than light bleeding before and after your period?

An illustration of different ovulation test formats.
Trying to Conceive

How to use ovulation prediction tests

Have you ever heard of ovulation prediction tests? If you’re trying to conceive, they could be a valuable tool for...

An arm wearing a ticking watch with blood drops.
Periods

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.

The phases and hormones of the menstrual cycle.
Menstrual Cycle

What is the menstrual cycle?

Understanding the cycle is important for your overall health. We break down the phases and hormones of the menstrual cycle.

An image of a pregnant person with their hands on their belly
LGBTQIA+

What it's like to be pregnant as a transmasculine person

Masculine people have been pregnant and birthing as long as there have been people. In reality, my relationship with my...

Trying to Conceive

Egg freezing 101

There are many different reasons why someone would consider undergoing egg freezing. Unlike embryo freezing (embryo cryopreservation), egg freezing doesn’t...

Trying to Conceive

How soon can I take a pregnancy test?

If you’re trying to conceive, pregnancy tests are likely part of your routine. But how will you know when to...

Fertility

Clue Pregnancy Mode

The science-based pregnancy mode designed for all pregnant people

An illustration of a woman swimming through a large pool with an IUD, condom, and the withdrawal method.
Non-Hormonal Birth Control

Here are all of your non-hormonal birth control options

There are a range of non-hormonal options that vary in cost, effectiveness, and duration.

Trying to Conceive

Can I conceive if my cycle is irregular?

While unpredictable cycles can make it harder to predict ovulation, it is possible.

Photo of a woman in a fertile age
Trying to Conceive

How old is too old to have a baby?

If you are 35 or older, it’s likely that what you’ve read on the internet or heard from friends might...

Menstrual Cycle

Cycle tracking puts you in charge

Clue’s Chief Medical Officer, Lynae Brayboy, shares six ways tracking with Clue can really help you–and others.

Photo of a runny panty
Your Vagina

What is vaginal discharge and how does it change across the cycle?

The quality, consistency, and volume of cervical fluid types changes along with the menstrual cycle.

Illustrations of couples talking about sexual consent
Dating & Partnership

8 things to know about sexual consent

Even if you’ve heard of sexual consent, you might be unsure of how to give it or ask for it....

Illustration of a heart in tons of orange
Miscarriage

What to expect after a miscarriage

Miscarriage is a common pregnancy outcome, but that doesn’t make it any easier to experience. This article will help you...

Trying to Conceive

What sex ed got wrong about conception

Sex education has been a part of school curriculums in the United States and other parts of the world for...

Trying to Conceive

When should I see a fertility specialist?

When you first start trying to conceive, you may wonder: do I need to see a healthcare provider? If you...

Two men with a pack of birth control pills
Hormonal Birth Control

Why isn’t there a hormonal birth control for cis men?

Men are more willing than ever to take hormonal contraception. Here’s what the latest research says about innovations in male...

A towel with a blood stain.
Sex

Period sex 101

There is nothing “dirty” or dangerous about menstrual blood. 

Trying to Conceive

Can tracking ovulation pain help you conceive?

Using it as a way to time sex with ovulation when trying to conceive could be helpful for some.

Illustrations of a pregnancy test and Clue app with a "period late" notification
Miscarriage

Am I having a miscarriage?

When a miscarriage occurs very early in pregnancy, it can be difficult to tell the difference between a miscarriage and...

Trying to Conceive

Does tracking basal body temperature predict ovulation?

Basal body temperature (BBT) is the body’s temperature at rest . Changes in BBT can identify when ovulation has happened....

Pregnancy, Birth & Postpartum

What to expect after birth as a surrogate

Birthing as a surrogate comes with unique feelings, challenges, and health concerns. You may find it comforting that despite its...

icons
Pregnancy, Birth & Postpartum

Sex, fertility, and contraception after birth

If you’re not sure how long to wait to have sex after birth, when to start birth control, or what...

Non-Hormonal Birth Control

Condoms: common questions and misconceptions

Are condoms effective? Are they always necessary? What is the correct way to put one on? Even if you’re not...

Abortion

What is actually considered an abortion?

While different governments might have specific legal definitions for abortion, miscarriage, and ectopic pregnancy, it’s important to understand that these...

A group of people hold a sign that says: "Legal abortions"
Abortion

Abortion is healthcare

Access to safe, timely abortions is essential to the health of anyone who can become pregnant. Restrictive laws don’t stop...

Abortion

My wanted pregnancies ended in abortion

I share my personal story because the reversal of Roe v. Wade ruling impacts abortion as healthcare in many different...

About Clue

How Clue is beating stress at work

Clue supports over 12 million people with their menstrual health — including Clue employees. To keep Clue employees healthy and...

Birth Control

What is contraceptive access?

Access to birth control should be convenient, affordable, and personalized. Because this isn’t the case for everyone, it’s important to...

An animation of an IUD-umbrella blocking rainfall.
Birth Control

How do IUDs prevent pregnancy?

What the latest research says about how the hormonal IUD and the copper IUD work.

Abortion

What to do if you need an abortion

Depending on the state or country in which you live, it might be important to take precautions when searching for...

A roll of toilet paper, which is rolling and a couple of squares of toilet paper are being torn off.
Diet & Exercise

Digestion and your cycle: the truth about period poop

Is period poop a thing? Learn all about food, digestion and the menstrual cycle.

The ring, the pill, the IUD, the implant, the patch, and the shot
Hormonal Birth Control

Here are all of your hormonal birth control options

We looked into the research to find out about the side effects, risks, and benefits of the implant, the intrauterine...

uterus illustration
Periods

What is a period? Menstruation 101

Why do we get periods, anyway?

A birth control pack
Hormones & Your Cycle

What you should know about hormones

Hormones are the messengers of the body, telling it how to breathe and grow.

ilustration of three uteriblue and red
Miscarriage

What causes a miscarriage?

Understanding why and how frequently miscarriage occurs can help people process the experience.  

Birth Control

When is emergency contraception most effective?

There is a lot of confusion around the use and effectiveness of emergency contraception.

illustrated group of sperms crossing
Non-Hormonal Birth Control

What's up with pulling out?

The pull out method has some significant downsides. So, what is withdrawal and how effective is it? Let’s look at...

Animated GIF of flamingos, birds know for having bissexual habits
LGBTQIA+

Bisexuality 101

Understand a little more the "B" of LGBTQIA

Photo of 3 different women
Hormonal Birth Control

How different types of hormonal birth control affect your mental health

Some say hormonal birth control negatively affected their mood, making them feel depressed, anxious, or irritable. You may also hear...

Science textbook book with items floating out of it, dna, microscope, gears, magnifying glass
About Clue

“Alternative” approaches to health: How we think about health information at Clue

We sometimes get emails asking why we collaborate with naturopaths for our online content. It's a fair question.

Pumpkin seeds and almonds on top of granola, in a glass of milk.
Two bottles of soy milk
Diet & Exercise

Does eating soy affect your hormones?

What the research says about the effects of eating soy on cardiovascular health, breast cancer, sperm quality, testosterone, and more....