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The 5 best period tracking apps of 2024

Whether you’re looking for a way to monitor your ovulation or you simply want to map your periods, look no further than these five apps



Period tracking apps have gained significant popularity in recent years. As awareness around menstrual cycles has increased, so has the demand for tools to help monitor and manage them.

Data suggests that more than 50 million women worldwide use apps to track their menstruation. But is an app really necessary? Can’t a reminder on your phone’s calendar do the same thing?

Well, tracking your menstrual cycle is crucial for several reasons. Firstly, it helps you better understand your body and aids in predicting and managing fertility. Knowing when you’re ovulating can be invaluable if you’re trying to conceive or avoid pregnancy.

Secondly, it can help you manage your menstrual symptoms. Many women and girls experience fluctuations in mood, energy levels and physical symptoms throughout their cycle. By tracking how you feel, you can anticipate when symptoms might arise and identify patterns, which in turn will help you take proactive steps to manage them.

Tracking your menstrual cycle can also provide insights into your overall health. Irregularities in the menstrual cycle could be indicative of underlying health issues such as hormonal imbalances, thyroid disorders, or polycystic ovary syndrome (PCOS).

We know choosing which app to download can be overwhelming. That’s why we’ve put together a list of five of the best ones we’ve come across.

Note: all are free to download, but some charge extra for premium features.


Flo’s mission is to build a better future for female health by helping to harness the power of body signals. Flo’s team of 100+ doctors and health experts create evidence-based medical articles, tips and recommendations designed to improve your health.

The app uses AI so you can easily know when you ovulate, track your period and view future cycles. In Flo, you can track more than 70+ symptoms and events for more personalised tips, relevant content and even more precise cycle and ovulation predictions.

Flo also offers Pregnancy Mode which provides you with the information you need during pregnancy. You will be able to receive insight each day into how the baby is developing, what happens in your body as a mum-to-be, which supplements and foods you should include in your diet and which you should avoid, how to recognise the approaching labour, what you could expect from the postpartum period and much more.

Within the app you can also discuss sensitive topics, questions and get support from other Flo community members anonymously.

Flo ensures that your data is safe with end-to-end encryption, secure access (Face or touch ID), anonymous mode (no name or email) and control over what you share. Your data won’t be shared with third parties.

For more, click here.


Clue is a Berlin-based, women-led menstrual and reproductive health app that harnesses the power of full cycle intelligence to help you understand your body’s inner workings, beyond bleeding.

What do people who use Clue love the most? No pink. No myths. And no taboos. Clue is an intuitive, science-based, data-driven cycle health tracker with 100+ different tracking options and a powerful algorithm to help you live a life more in sync with your full cycle – not just to predict your period (although it does that too!).

Loved by over 10 million monthly active users across 190+ countries, and available in 20+ languages, the Clue app intuitively guides you through each cycle, change, and choice. From general cycle health awareness and education to fertility, pregnancy, and even navigating perimenopause.

New in 2024, is Clue’s My Health Record feature which uses de-identified data for good, to help close the diagnosis gap for female health conditions.

You can enter confirmed diagnoses for up to 21 different health conditions including endometriosis, polycystic ovary syndrome (PCOS), premenstrual dysphoric disorder (PMDD), uterine fibroids, bleeding disorders, anxiety disorders, and more. With this feature, the Clue community is collectively building an unprecedented dataset linking confirmed diagnoses and tracked cycle data to enable impactful research on the most commonly misdiagnosed and under-researched female health conditions.

The Clue app is free to download and you can unlock deeper insights and additional personalised modes like Clue Conceive, Clue Pregnancy, and Clue Perimenopause  with the premium subscription, Clue Plus.

For more, visit


luna is on a mission to be the go to digital health and wellbeing resource for teens.

Taking a holistic approach to health and wellbeing, luna’s objective is to educate, empower and support teens in all the tricky situations they find themselves in – from period leaks to skin problems and toxic friendships.

On luna (‘we are luna’ on the App Store), teens can track their periods, moods, skin, sleep and pain symptoms, and they’ll receive personalised insights and recommendations based on that.

Alongside period tracking, teens can ask anonymous questions, and learn about topics tailored to them. Behind the articles, videos and answers to questions is a team of doctors and safeguarding experts, who make sure content is medically accurate and appropriate for a teenage audience – there’s no user generated content on luna, so parents know their teen is in safe hands.

This app is designed to help teen girls own and understand their cycles, ensuring they know what steps to take when they feel something isn’t normal for them personally – luna equips them with the right tools to open lines of communication with parents, and seek support when they need.

There are also lots more features designed to spark joy and keep the app sticky – whether that’s a mood-boosting quote based on what members log, quizzes to help cement learning, or polling on topics they might want to share their thoughts on.

All of these features mean luna is much more than just a teen-friendly period tracker and is an app that parents and daughters alike will love.

For more, visit


femble is the next-generation AI-powered female health assistant, designed to be an assistant in every woman’s pocket. This innovative platform combines cutting-edge artificial intelligence with a wealth of scientific knowledge and insights from practitioners to offer personalised guidance and support.

Imagine having a health assistant in your pocket, one that knows the ins and outs of women’s health, blending all that expert advice into recommendations just for you. Femble does just that. The app combines the insights of different health practitioners into one accessible platform, always ready to give you a daily nudge towards feeling your best.

Whether it’s navigating the complexities of sexual health, addressing mental wellbeing, or managing gut health, femble is tailored to meet the unique needs of each user. With a focus on supporting women to take control of their health, femble provides accessible, accurate and actionable advice to help users make informed decisions about their wellbeing.

It’s more than just an app; it’s a female health assistant in your pocket, a trusted partner in the journey toward optimal wellbeing.

For more, visit


There are dozens of complex processes that take over a woman’s body every day. Why not be aware of them and be prepared for everything?

WomanLog is an easy-to-use period tracker app that helps you do just that. With an encyclopedia of more than 200 symptoms that may occur during a woman’s menstrual cycle, it is much more than a digital calendar that tracks menstruation cycle, sex life and contraception.

The app has three modes: period tracker, pregnancy and menopause mode. WomanLogBaby app helps to track every step of baby’s daily activities while “Intelligent Assistant” with cutting-edge Artificial Intelligence and Machine Learning technology offers even more detailed analysis.

WomanLog also provides an extensive library of articles on sexual wellbeing, menstruation, the ins and outs of pregnancy and other health-related issues.

The Latvia-based start-up is among the leaders in the global market for more than 10 years. Translated into 30 languages, it has more than one and a half million monthly active users worldwide and more than 20 million installs.

Data safety in the key point of every app, and WomanLog is the leader with the highest security level that meets all the GDPR standards.

Moreover, the web version of WomanLog, available without even signing-in, features online calculators that count the days left until your next period or fertility windows within seconds.

For more, visit


How to raise money for your women’s health or femtech start-up in 2024



Sabrina Johnson, president and CEO of Daré Bioscience   

Despite significant growth in women’s health investment, start-ups in the women’s health and femtech sectors still face substantial barriers to entry and growth.

SiS sat down with successful start-up innovator Sabrina Johnson, president and CEO of Daré Bioscience, lawyer Sophie McGrath, partner at Goodwin Law and Triin Linamagi, a leading investor and founding partner at Sie Ventures, to find out how to navigate these challenges.

The successful start-ups journey
Sabrina Johnson, president and CEO of Daré Bioscience   

Q: In a nutshell, what challenge is Daré solving?

Sabrina: We focus on significant unmet needs such as hormone-free contraception, female sexual arousal disorder, and non-oral combination hormone therapy. These areas demand new solutions.

Q: What initial challenges did you face when setting up Daré?

Sabrina: Educating investors about women’s health issues and market opportunities was the biggest challenge. Initial investors believed in us as a management team, which helped establish the company.

Q: What hurdles did you face in securing investment?

Sabrina: Given the lack of historical data on women’s health investments, securing traditional venture capital was challenging. We opted for a reverse merger, providing us with US$10m to advance our portfolio.

Q: Lessons for those starting their women’s health journey?

Sabrina: Tenacity is essential. Each investor meeting is an opportunity to increase awareness about unmet needs and market potential.

Q: Is there a culture problem or biases in the investor community?

Sabrina: It’s more about a lack of awareness than bias. Educating the investment community on the social and financial returns of investing in women’s health is crucial.

Q: How important is partnering with the right people for a startup?

Sabrina: Surrounding yourself with credible advisors and aligned investors is critical. Ensuring shared vision and mutual respect with investors is essential.

Lessons from the lawyer 

Sophie McGrath +44 (0) 20 7447 4821
[email protected]

Sophie McGrath, partner at Goodwin Law  

Q: Tell us about your background and what led you to a career in life sciences and women’s health.

Sophie: I come from a medical family and as a result was naturally inclined towards life sciences law. This field blends my legal expertise with my interest in medical advancements.

Q: Could you explain the relationship between a start-up and a law firm?

Sophie: A good start-up lawyer brings sector knowledge, pragmatism, and cost sensitivity. At Goodwin, we understand and have the capacity to support the journey from start-up to global business.

Q: What commercial challenges might an entrepreneur face, and how can a law firm help?

Sophie: Challenges include capital, people, and technology. Ensuring alignment of incentives for people and protecting technology with strong IP strategies are key. A law firm can help navigate these hurdles.

Q: When should a start-up speak to a law firm like Goodwin?

Sophie: Start-ups should speak to us early. We offer various fee structures to accommodate early-stage companies and provide valuable guidance for future growth.

Q: Hopes for commercial growth in women’s health?

Sophie: I hope the conversation about women’s health expands beyond fertility to include conditions like cardiac disease and dementia, where women are affected differently. This can shift perception from niche to critical sector.

Bringing passion to investing

Triin Linamagi, founding partner at SIE Ventures

Q: Tell us about yourself and why you got into women’s health.

Triin: My personal mission to support women’s health led me to focus on this underserved market. While there are still significant gaps in funding and research, I can see a huge commercial opportunity.

Q: How does SIE Ventures support start-ups?

Triin: We support start-ups through Catalyst Programs, Founder Community, and Syndicate Investments, providing access to capital, investor networks, and support.

Q: Common mistakes founders make when raising investment?

Triin: Mistakes include targeting the wrong investors and lacking a strong narrative and long-term vision. Understanding the venture capitalist’s mindset is crucial.

Q: Challenges for the women’s health sector?

Triin: Key challenges include access to capital, economic slowdown, insufficient R&D funding, and lack of public support. Raising capital remains imbalanced, with female-founded startups raising less on average.

Q: Importance of legal advice when raising investment or entering partnerships?

Triin: Legal advice is crucial, especially for IP-heavy businesses and large contracts. Overlooking legal advice can be costly in the long run.

Q: Hopes for women’s health over the next five years?

Triin: I hope to see more funding for women’s health companies, improving health outcomes for women and boosting economic participation. More healthcare funds focusing on women’s health and healthcare in general would be a significant advancement.

So what can we take from these interviews:

Both Sabrina (Daré) and Sophie (Goodwin) emphasise the critical role of legal advice and strategic partnerships. Sabrina highlights the importance of credible advisors and aligned investors, while Sophie underscores the value of engaging a law firm early to protect IP and align team incentives.

Understanding the investor landscape

Triin and Sabrina offer similar views on understanding the investor landscape. Triin points out the importance of targeting the right investors and building a strong narrative, while Sabrina stresses tenacity and continuous investor education.

Challenges in securing investment

All three leaders acknowledge the challenges in securing investment but offer different solutions. There are also creative approaches like reverse mergers, so long as we have the right legal advice and we know when and from whom to raise funds, there are a range of different ways to secure the investment you need.

Future of women’s health

Each leader envisions a broader recognition and investment in women’s health. Sophie hopes for a shift in perception, Triin anticipates more funding and specialised healthcare funds, and Sabrina aims to increase awareness and secure substantial investments.

Navigating the women’s health start-up landscape requires tenacity, strategic legal advice, and an understanding of the investor mindset.

Insights from Sabrina, Sophie, and Triin offer a comprehensive guide for start-ups aiming to break through barriers and achieve commercial success.

By aligning with the right partners, educating investors, and continuously innovating, women’s health and femtech start-ups can pave the way for a brighter future in women’s health.

You can meet Sabrina, Sophie and Triin at the SiS series of global summits, join the waitlist here.

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Everything you need to know about fibroids



Fibroids, non-cancerous growths that develop in or around the womb, are the most common tumours in women worldwide. Here, we look at everything you need to know about them.


What are fibroids?

Fibroids are non-cancerous growths that develop in or around the womb. They often appear during the fertile years and they are also known as uterine myomas or leiomyomas.

Fibroids vary in number and size. You can have a single fibroid or more than one. Some of these growths are too small to see with the eyes. Others can grow to the size of a grapefruit or larger.

A fibroid that gets very big can distort the inside and the outside of the uterus. In extreme cases, some fibroids grow large enough to fill the pelvis or stomach area.

Many women are unaware they have fibroids as they do not have any symptoms.

What are the symptoms?

Around one in three women with fibroids may experience:

  • heavy periods or painful periods
  • abdominal pain
  • lower back pain
  • a frequent need to urinate
  • constipation
  • pain or discomfort during sex

In rare cases, further complications caused by fibroids can affect pregnancy or cause infertility.

Why do fibroids develop?

The exact cause of fibroids is unknown, but they have been linked to the hormone oestrogen. Fibroids usually develop during a woman’s reproductive years when oestrogen levels are at their highest.

They tend to shrink when oestrogen levels are low, such as after the menopause, when a woman’s monthly period stops.

Who gets fibroids?

Fibroids are common, with around one in three women in the UK developing them at some point in their life. They most often occur in women aged 30 to 50.

They are thought to develop more often in women of African-Caribbean origin. It’s also thought they occur more often in women who are overweight because being overweight increases the level of oestrogen in the body.

Women who have had children have a lower risk of developing fibroids.

How are fibroids treated?

Fibroids do not need to be treated if they are not causing symptoms. After the menopause, they will often shrink without treatment.

If you do have symptoms caused by fibroids, the NHS recommends medicine to help relieve the symptoms first.

There are also medications available to help shrink fibroids. If these prove ineffective, surgery or other, less invasive procedures may be recommended.

When should I see a doctor?

See your doctor if you have:

  • Pelvic pain that does not go away
  • Heavy or painful periods that limit what you can do
  • Spotting or bleeding between periods
  • Trouble emptying your bladder
  • Ongoing tiredness and weakness, which can be symptoms of anemia

Get medical care right away if you experience severe bleeding or sharp pelvic pain.

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Everything you need to know about adenomyosis



Adenomyosis, a condition that causes the lining of the womb to bury into the muscular wall of the womb, affects as many as one in 10 women of reproductive age in the UK. Here, we look at everything you need to know about it.


What is adenomyosis?

Adenomyosis is a condition where the lining of the womb starts growing into the muscle in the wall of the womb.

The displaced tissue continues to act normally — thickening, breaking down and bleeding — during each menstrual cycle, leading in some cases to enlarged uterus and painful, heavy periods.

The condition is more commonly diagnosed in women over the age of 30, but it can affect anyone who has periods.

What are the symptoms of adenomyosis?

Sometimes, adenomyosis causes no signs or symptoms or only mild discomfort. However, according to the NHS, common symptoms can include:

  • Heavy or prolonged menstrual bleeding
  • Severe cramping or sharp pelvic pain during menstruation (dysmenorrhea)
  • Chronic pelvic pain
  • Painful intercourse
What causes adenomyosis?

The cause of adenomyosis isn’t known. You may be more likely to get it if you are over the age of 30 and have given birth.

There have been many theories, including:

  • Invasive tissue growth. Some experts believe that endometrial cells from the lining of the uterus invade the muscle that forms the uterine walls. Uterine incisions made during an operation such as a cesarean section (C-section) might promote the direct invasion of the endometrial cells into the wall of the uterus.
  • Developmental origins. Other experts suspect that endometrial tissue is deposited in the uterine muscle when the uterus is first formed in the fetus.
  • Uterine inflammation related to childbirth. Another theory suggests a link between adenomyosis and childbirth. Inflammation of the uterine lining during the postpartum period might cause a break in the normal boundary of cells that line the uterus.
  • Stem cell origins. A recent theory proposes that bone marrow stem cells might invade the uterine muscle, causing adenomyosis.

Regardless of how the condition develops, its growth depends on the body’s circulating oestrogen.

How is adenomyosis treated?

Treatments include:

If these treatments do not work, women may need surgery. This could be a hysterectomy, or surgery to remove the lining of the womb, also known as endometrial ablation.

What is the difference between adenomyosis and endometriosis?

Adenomyosis and endometriosis are disorders that involve endometrial-like tissue. Both conditions can be painful. Adenomyosis is more likely to cause heavy menstrual bleeding. The difference between these conditions is where the tissue grows.

Adenomyosis occurs when endometrial tissue grows deep in the muscle of the womb, whereas endometriosis occurs when endometrial tissue grows outside the womb in places, such as the ovaries and fallopian tubes.

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