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Delayed Period After COVID Shot? It's the Same With COVID-19 Infection – Medpage Today



Having COVID-19 was linked to a slight, temporary change in menstrual cycle length similar to changes seen after COVID-19 vaccination, according to a study of self-reported data from a menstrual tracking app.

People who experienced COVID-19 had a 1.45-day adjusted increase in cycle length during COVID-19 infection compared with the three cycles before infection (95% CI 0.86-2.04), while those who were vaccinated against COVID-19 had a 1.14-day adjusted increase in cycle length after being vaccinated compared to previous cycles (95% CI 0.60-1.69).

Although both those changes were more than the 0.68-day decrease in cycle length seen in the control group of people who were neither vaccinated nor reported to have COVID-19, the vaccinated and infected groups did not differ significantly from each other.

And for both groups, the cycle changes disappeared by the next cycle, reported Alexandra Alvergne, PhD, of the Institute for Evolutionary Sciences at Montpellier University in France, and co-authors published in Obstetrics & Gynecology.

“The change in cycle length was minimal and limited to only the cycle of either illness or vaccination,” commented Pamela Berens, MD, an ob/gyn at the McGovern Medical School at UTHealth Houston, who was not involved in the study. “[This research] might provide some reassurance to patients who are concerned about the impact of COVID-19 or vaccination on their cycles.”

Study co-author Alison Edelman, MD, MPH, of the Oregon Health & Science University School of Medicine in Portland, said this research contributes a large dataset on COVID-19 and menstrual cycle changes, which has received less attention compared with the scrutiny around COVID-19 vaccination.

“We wanted to come back around to COVID-19 infection and see if that affected the menstrual cycle in similar ways,” Edelman said.

Ultimately, the menstrual cycle changes “were small in magnitude and not clinically significant at the population level,” her group concluded.

However, a small proportion of people did have a clinically significant change of more than 8 days. That proportion was higher for individuals with COVID-19 than for those in the vaccination or control groups (9.7%, 6.3%, and 6.9%, respectively), the authors noted. “COVID-19 vaccination at least 3 months before the onset of COVID-19 symptoms was protective for COVID-19–associated changes in cycle length,” they wrote.

Next steps for researchers involve figuring out why COVID-19 infection causes changes in menstrual cycles.

“People want to know when things change and why they change,” Edelman said adding that the findings are another tool for counseling patients and giving reassurance that “for the majority of individuals things get back to normal pretty quickly. And if they don’t, they should be talking to their healthcare provider.”

Researchers collected data from period tracking app Clue, as well as from surveys on COVID-19 vaccination and infection. About 13% of people who saw the survey in the Clue app clicked on the link, which is on par with other in-app surveys. Participants who consented gave prospective access to their menstrual cycle data. The survey asked about COVID-19 vaccination status, COVID-19 history, age, BMI, and country of residence.

In all, 6,514 people from 110 countries (half from the U.S.) met inclusion criteria and were included in the study. The sample included five menstrual cycles per person, totalling 32,570 cycles.

Participants were organized into three categories: a control group of 421 people who had no history of COVID-19 vaccination or infection, 1,450 who were vaccinated but never had COVID-19, and 4,643 who had COVID-19, further broken into vaccinated and unvaccinated. People who used hormonal contraceptives between 2019 and the survey were excluded, as were people older than 45, and anyone who didn’t give consistent data. If a user flagged a cycle as abnormal, researchers removed it (n=10,788).

Initial COVID-19 symptoms occurred from January 2020 until the end of June 2022. COVID-19 vaccinations first began on Dec. 11, 2020, and were recorded through the end of July 2022. Researchers tracked within-user change in menstrual cycle length.

The fact that research relied on self-reported data from app users was a key limitation, although the authors also noted that self-reports of COVID-19 symptoms were fairly accurate earlier in the pandemic when data collection occurred.

Other limitations included the likelihood of asymptomatic cases of COVID-19 in the control cohort, and the inability to determine how specific variants could have different effects on menstrual cycles.

  • Rachael Robertson is a writer on the MedPage Today enterprise and investigative team, also covering OB/GYN news. Her print, data, and audio stories have appeared in Everyday Health, Gizmodo, the Bronx Times, and multiple podcasts. Follow


Research was funded by the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) and the National Institutes of Health Office of Research on Women’s Health.

Edelman reported receiving honoraria and travel reimbursement from the American College of Obstetricians and Gynecologists (ACOG), WHO, and the CDC as well as receiving royalties from Up to Date, Inc. Other authors reported working and consulting for Clue for BioWink. One also consults for GmbH in Berlin. One author’s institution receives research support from Merck/Organon.

Oregon Health & Science University (OHSU) receives research funding from the OHSU Foundation, Merck, HRA Pharma, the Bill & Melinda Gates Foundation, and NIH, for which Edelman is the principal investigator.

Berens had no conflicts of interest.

Primary Source

Obstetrics & Gynecology

Source Reference: Alvergne A, et al “Associations among menstrual cycle length, coronavirus disease 2019 (COVID-19), and vaccination” Obstet Gynecol 2023; DOI: 10.1097/AOG.0000000000005343.

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Several Vitamins Recalled Due to Potential Metal Contamination, Including Products Sold at Costco and Walmart



Several types of vitamins, including some popular brands sold at major retailers like Costco and Walmart, are being recalled due to the possible presence of metal fibers. Health Canada issued three recall statements on Friday, highlighting the affected products and advising consumers on the necessary steps.

Among the brands involved in the recall is Kirkland Signature, a staple at Costco, along with Webber Naturals and other brands sold at multiple retailers across Canada, including Walmart and Shoppers Drug Mart.

The vitamins listed in the recall are:

  • Kirkland Signature: B100 Complex Timed Release
  • Life: Vitamin B Complex with Vitamin C
  • Option+ & Life: Prenatal Multi-vitamins 100 Tablets with Folic Acid, Spectrum Prenatal Postpartum, Multivitamins & Minerals Women, Spectrum Women 22 Vitamins & Minerals plus Lutein, Lycopene
  • Webber Naturals: B50 Complex Timed Release, Most Complete Multi Womens 50+ One Per Day, Most Complete Multi Mens 50+ One Per Day, Vitamin B50 Complex
  • Wellness by London Drugs, Option+ & Life: Multi Women/Femmes 50+ with Lycopene and Lutein Multivitamin and Mineral, Multivitamin & Minerals Women 50+, 50+ SPECTRUM Women/Femmes 50+ 23 Vitamins & Minerals plus Lutein, Lycopene
  • Wellquest, Equate, Option+, Wellness by London Drugs & Life: Vitamin B100 Complex, Timed Release
  • Natural Factors: Hi Potency B Complex, RevitalX, Super Multi® IRON FREE
  • VegiDay Vegan Organic ALL IN ONE: VegiDay Vegan Organic ALL IN ONE

Health Canada advises consumers who have purchased any of the affected products to consult their healthcare provider before discontinuing use and to monitor for any health concerns.

Customers with concerns or questions can contact the recall firm directly. Additionally, any side effects or health product safety complaints should be reported to Health Canada.

For more detailed information, you can access the three Health Canada notices, which are listed under the Factors Group of Nutritional Companies Inc. recall, on the Health Canada website.

This recall serves as a reminder to consumers to stay vigilant about product safety and to follow recall advisories to ensure their health and well-being.

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8 Tips for Incorporating More Fruits into Your Dessert



Incorporating more fruits into your desserts is not just a way to enhance flavours, but also a smart approach to add nutritional value to your treats. While desserts are often indulged as guilty pleasures, introducing fruits can transform these moments into healthier delights, enriching them with vitamins, minerals, and fibres. Whether you’re a home cook looking to improve your family’s diet or a culinary expert aiming to innovate your menu, adding fruits offers a myriad of benefits. These range from boosting the aesthetic appeal of your dishes with vibrant colours to enhancing the natural sweetness with a lower calorie count.

The tips provided here will help you seamlessly integrate more fruits into your dessert recipes, making them irresistibly wholesome and appealing to all ages. This approach not only caters to the health-conscious consumer but also opens up a palette of fresh, tantalizing flavours that can redefine what dessert means.

Explore Variety

Diversity is key in enriching desserts with fruits. Experiment with different textures and flavours, from berries to tropical fruits. This variety ensures each bite is unique and delightful. Try combining sour cherries with sweet mangoes, or add citrus segments to balance richer desserts. Even blending frozen bananas into a creamy texture can mimic ice cream. Consider adding a double fudge bar frozen dessert to your fruit platter for an indulgent twist.

Use Fresh and Seasonal Fruits

Seasonal fruits offer the best in flavour and nutrition. Incorporate fresh, local produce into your desserts to capture peak tastiness. Fresh strawberries or peaches can elevate simple dishes like ice cream or cakes. Local farmers’ markets are ideal for finding the freshest options. Remember, the closer the fruit is grown to its consumption point, the more nutrients it retains. This approach supports local agriculture as well.

Make Fruit the Star

Create desserts where fruits are the main attraction. Dishes like fruit tarts or berry-packed pavlovas highlight the natural sweetness of fruits, reducing the need for added sugars. Let fruits dictate the dessert’s flavour profile and design, focusing on the natural colours to attract the eye. This strategy can make even simple dishes feel luxurious and crafted with care. Plus, it often leads to lighter, less calorie-dense desserts.

Opt for Healthier Preparations

Instead of always baking or frying, try raw preparations or use healthier cooking methods like grilling or poaching. Grilled pineapple or poached pears offer a delightful texture and are easy to prepare. These methods preserve the integrity and nutritional value of the fruit better than baking or frying. Cooking fruit in this way can also unlock new flavours, enhancing your dessert experience. Try brushing fruit with a little honey or maple syrup before grilling for a caramelized finish.

Experiment with Spices

Spices can enhance the natural flavour of fruits. A dash of cinnamon, cardamom, or vanilla complements fruits like apples and pears beautifully, adding complexity to any dessert. Nutmeg and ginger are also excellent with juicy fruits like peaches and plums. Experimenting with spices can transform a simple fruit dish into an exotic and enticing dessert. Such additions are simple but effective ways to elevate the taste without added sugar.

Incorporate Dried Fruits

Dried fruits are concentrated in flavour and can be a great addition to desserts. Sprinkle raisins, dried cranberries, or chopped dates over oatmeal cookies or mix them into homemade granola bars for a chewy texture. Dried fruits work well in baked goods because they provide a burst of sweetness and texture. They are also perfect for decorating cakes and adding to snack mixes. Be mindful of the sugar content in store-bought dried fruits, opting for unsweetened varieties when available.

Create Colourful Fruit Layers

Layer fruits in parfaits, trifles, or cakes to create visually appealing and delicious desserts. Layers of colourful fruits not only look spectacular, but also offer varied flavours and textures. This layering technique can be applied in smoothie bowls and gelatin desserts for a stunning visual effect. Try to choose fruits that contrast in colour and texture for the most striking presentations. These desserts are particularly appealing to children and can make eating fruit more exciting for them.

Finish with A Healthy Twist

Top off your desserts with a nutritious twist, such as a dollop of Greek yogurt or a sprinkle of nuts and seeds for extra crunch and nutrients. These additions provide a contrast in textures and increase the health benefits of your dessert. Nuts add healthy fats and proteins, making the dessert more satisfying. Consider using a drizzle of natural sweeteners like honey or agave nectar to enhance flavour without resorting to refined sugars. Such finishes not only improve taste but also boost nutritional value, aligning with a healthier lifestyle.

Incorporating fruits into your desserts is an enjoyable way to make your sweet dishes healthier and more flavourful. By using fruits in various forms, from frozen to dried, and employing them in creative ways, such as natural sweeteners or vibrant toppings, you can transform any dessert into a delightful and nutritious treat. So next time you prepare a dessert, remember these tips and enjoy the added benefits of fruits in your culinary creations.

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5 Life-Transforming Tips to Make it More Fun-Filled



Everyone wants to make the most out of life. From personal life to establishing a successful career, enjoyment is all that people crave the most. But the key to happiness is having fun most of the time. It can be challenging to find time and moments of fun in the routine as life becomes boring and dull for many.

However, you can cultivate your mindset and embrace more pleasure and laughter in your everyday routine. To transform your boring and dull life into a fun-filled one, here are a few tips that you can consider in this blog.

Read on to explore!


1.    Start Enjoying Little Moments

The fun doesn’t need to come from an extensive and spectacular event happening around your life all the time. There are so many small moments in your life that can turn into more fun. All you have to do is embrace those little times in your life and be happy.

For example, you can give yourself a little break from a hectic day and enjoy some chocolate. Or you can make time to enjoy things that you like.


2.    Be Spontaneous In Life

Just like life becomes unexpected most of the time, you can be a little unpredictable with it as well. To bring fun to your life, you can work on being more open to new and unplanned experiences.

If you get an invitation for any activity, event, or sport, don’t say no to it. Getting to indulge in more social activities will help you create new memories and experience new thrills in life.


3.    Bring a Furry Friend in Life

A boring life can easily distance you from fun. To embrace joy in life, having a furry company can do wonders. You can cherish love and warmth and have little moments of joy with a furry one.

If you don’t have a furry companion, you’re majorly missing joy. It’s time for you to look for the best puppy-selling company, such as Fou Fou Puppie’s website, to bring a cute puppy into your life.


4.    Practice Mindfulness

Practicing mindfulness will help you to live the present to the fullest. As most people worry more about their future, it makes them overlook the current joys of life.

What you can consider best to bring fun to your life is practicing mindfulness for at least 2 minutes. Let go of all the thoughts that pop into your head and focus on the positive aspects of living.


5.    Participate More in Fun Activities

There should be no excuse for having fun in life as there are many low-cost fun activities for the community that you can explore to have fun. It can be simple, but it prevents you from living a boring and less-inspiring life.

For example, you can call your group of friends to have coffee together and share more laughter, or you can go to the movies to unwind yourself. These activities will not cost you a fortune and allow you to make the most out of your day, week, and month.


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