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Female-to-male trans (FtM) individuals report irregular periods after receiving the Covid-19 mRNA vaccine.

FtM trans whose menstrual periods stopped while on the male hormone testosterone now complain that they are menstruating again.

Biological women in the LGBT and heterosexual communities report irregular menstruation such as heavy bleeding after taking Covid-19 mRNA vaccines.

A few FtM trans took to social media to vent their frustration.

One FtM trans who hasn't had a period in 5 years started menstruating spontaneously within days of taking the Moderna injection.

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A heterosexual woman wrote that her 24-year-old biological sister, who self-identifies as a male, began bleeding heavily after taking the vaccine.

"He was very unprepared, and in shock at Aunt Mary's return," she wrote in a post on Reddit.com. "Aunt Mary" is slang for menstruation.

She added: "I'm worried it may affect my cycle if I get it? I'm very regular; you could set a clock to my cycle."

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Researchers have launched a study to determine whether Covid-19 mRNA vaccines cause abnormal periods such as heavy bleeding.

200 million adults and children in America have been vaccinated -- more than half of the U.S. population.

But the pace of vaccinations has begun to slow, because people who don't want the vaccine are not seeking appointments.

The White House and the CDC are concerned the U.S. might not reach herd immunity, as those who are fully vaccinated begin to fall ill from Covid-19.

In many states, unused vaccines are beginning to pile up, leaving thousands of vaccines to spoil.

While New Hampshire has given at least one shot to 59 percent of its citizens, states such as Mississippi, Alabama, Georgia and Florida are at or below 30 percent vaccinated.

"There are states where they feel they have hit the wall," said Michael Fraser, the executive director of the Association of State and Territorial Health Officials. "The folks that wanted [vaccines] have found it. The folks that don't want it are not bothering to find it."

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Two researchers have launched a study to determine whether Covid-19 mRNA vaccines cause abnormal periods such as heavy bleeding.

Dr. Kathryn Clancy and Dr. Katherine Lee say they launched the study when they both experienced heavy menstrual bleeding after taking the vaccines.

When Clancy and Lee asked their Twitter followers to describe their abnormal menstrual cycles after taking the vaccines, hundreds of women replied.

Clancy and Lee are now compiling data from a questionnaire asking women to describe their abnormal periods. As of Monday, more than 25,000 women have completed the questionnaire, Dailymail.com reported.

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In a series of tweets in February, Clancy discussed her heavy menstrual bleeding after taking the first shot of Moderna.

"I'm curious whether other menstruators [sic] have noticed changes too?" she wrote.

"I'm a week and a half out from dose 1 of Moderna, got my period maybe a day or so early, and am gushing like I'm in my 20s again. I'm on day 3 of my period and am still swapping out extra long overnight pads a few times a day. Typical for me at this time is maybe one or two regular pads."

On April 7, Clancy tweeted out a link to a survey in which women could document their menstrual irregularities.

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Thrombocytopenia, or low blood platelets, was among the adverse effects reported to the Vaccine Adverse Event Reporting System (VAERS) system.

Low blood platelets causes abnormal bleeding, weakness and fatigue.

Experts say Pfizer, Moderna and Johnson & Johnson did not report any menstrual irregularities during their relatively short clinical trials.

They say it's too early to suggest a link between heavy cycles and vaccinations until a larger study is conducted.

The Food & Drug Administration approved the mRNA vaccines on an emergency basis.

The FDA approval allowed pharmaceutical companies to forego longterm studies of their vaccines.

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The benefits of taking the Johnson & Johnson Covid-19 vaccine outweighs the risk of blood clots or contracting Covid, according to the European Medicines Agency.

The EMA said there was a "possible link" between blood clots and the vaccine. But the benefits of the vaccine outweighs the risk of hospitalization and death.

The CDC and FDA paused distribution of the J&J single dosage vaccine on April 14 after one woman died from blood clots in the brain. Six other women were diagnosed with blood clots in the brain.

All six women, ages 18 to 48, were vaccinated within two weeks of their diagnoses.

The agency also found a small link between clots and AsreaZeneca's mRNA vaccine. The EMA recommended blood clots be listed as a "rare" side effect of AstraZeneca's mRNA vaccines.

"The reported combination of blood clots and low blood platelets is very rare, and the overall benefits of COVID-19 Vaccine ... in preventing COVID-19 outweigh the risks of side effects," the EMA said in a statement Tuesday.

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Johnson & Johnson will resume shipments of its single dose vaccine to all states in the US this week.

In February, Johnson & Johnson CEO Alex Gorksy said an annual J&J vaccine would be needed. He added that a "booster" shot will be needed within 12 months of the first injection.

On Wednesday, Moderna revealed that it is also testing a third booster shot to be available by fall, CNBC reported.

So far, at least 54% of the population received one Covid-19 injection.

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Legendary boxer "Marvelous" Marvin Hagler passed away after suffering side effects of the mRNA vaccine he received days before. He was 66.

Hagler's wife, Kay, announced his death on Saturday.

Former boxing champion Thomas "Hitman" Hearns tweeted on Saturday that Hagler was in a hospital intensive care unit after suffering side effects to the vaccine.

"A real true warrior Pray for the king and his family.. he's in ICU fighting the after effects of the vaccine! He'll be just fine but we could use the positive energy and Prayer for his Full Recovery!"

Boxing fans were shocked at the news. One fan tweeted:

"Im proper gutted!! the Great Marvin Hagler dies after taking the vaccine! Please do your own research before making a decision on putting something in your body that has not been tested properly & we r being used as the guinea pigs & not told the #Truth about #vaccine."

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Hagler was the undisputed middleweight champion of the world from 1980 until 1987. He recorded 52 knockouts during his stellar career.

Among his knockouts was a memorable brawl with Hearns in April 1985 at Caesars Palace in Las Vegas, which Hagler won by third-round knockout (watch the first round below).

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Covid-19 mRNA vaccines are causing an unexpected side effect in biological women. The still-experimental messenger ribonucleic acid (mRNA) vaccines have been administered to 65 million Americans.

Commonly reported side effects include pain around the injection site, headache, fatigue, muscle pain, and death.

But some women are complaining of an unexpected side effect after the second dose: swollen, painful mammary lymph glands that can mimic breast cancer.

"I panicked, I'll admit, initially," said Dr. Bridget Rogers, radiologist at Solis Mammography.

"I had a big, visible, painful lump," she told CBS4 Health Specialist Kathy Walsh. Dr. Rogers said she received her second dose of mRNA vaccine the day before.

"I tried to reassure myself by remembering that this is actually a sign that the vaccine was doing what it's supposed to do, activating your immune system," she said.

Still, she admits she had an ultrasound done just to make sure.

"I've been trying to forewarn women ahead of time," said Dr. Stephanie Miller, a breast surgeon and Medical Director of the Breast Program at Rose Medical Center.

She tells women to let the mammography center know if you've recently had a vaccine "So that we can have the right explanation for what we're seeing."

Mammary lymph glands are located in the arm pit and neck on the affected side.

Swollen, painful lumps in the armpit and in the neck under the jawline are among the first signs of breast cancer in some women.

Doctors urge women not to take the vaccine if you have a mammogram scheduled the next day because it may trigger a false breast cancer reading.

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A former Detroit news anchor has died a day after receiving a Covid-19 mRNA vaccine. Karen Hudson-Samuels was found dead in her Detroit home by her husband, Cliff Samuels, CBS Detroit reported.

Hudson-Samuels, 68, worked at the country's first Black-owned television station. She also worked as a producer and news director at WGPR-TV.

"We suspect it may have just been a stroke but because of the normal side effects of the vaccine it may have masked that," Samuels told the news station.

"Hopefully we'll know soon from the autopsy report," he said.

"She was just a beautiful person," WWJ Reporter Vickie Thomas told WGPR. "It's such a huge loss for this community," Thomas said.

Over 1,200 Americans reportedly died within two weeks of receiving Covid-19 mRNA vaccines.

Drene Keyes, 58, died within hours of getting a vaccine at a Virginia facility on Feb. 6.

Keyes' daughter, Lisa Jones, told WKTR that her mother's job "made her eligible for the vaccine."

"Why are we allowing people with underlying conditions to be guinea pigs for a vaccine that is still in clinical trials and emergency use?"

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A blood disorder that affects the platelets has been reported in at least 2 dozen people who received Covid-19 mRNA vaccines in the United States.

Thrombocytopenia is among the adverse effects reported to the Vaccine Adverse Event Reporting System (VAERS) system, which is jointly run by the U.S. Centers for Disease Control and Prevention and the U.S. Food and Drug Administration.

Thrombocytopenia is an abnormally low platelet count in the blood. A normal human platelet count ranges from 150,000 to 450,000 platelets per microliter of blood.

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Low platelets causes abnormal bleeding, weakness and fatigue.

Signs and symptoms of low platelet count are frequent nosebleeds, bleeding gums, bruising all over the body, longer periods in women, small red or purple spots on the skin, spontaneous bleeding under skin, blood filled blisters inside the mouth.

MSN reports that by the end of January, 32 cases of a decreased platelet count, 14 cases of thrombocytopenia, and 11 cases of immune thrombocytopenia were recorded in people who had received either Pfizer or Moderna COVID vaccines in the U.S.

If you notice any unusual signs of bleeding after getting the mRNA vaccine, contact your doctor or healthcare provider immediately.

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Rev. Drene Keyes, of Virginia, was anxious about receiving her first dose of the still experimental Pfizer mRNA Covid-19 vaccine. So anxious that she asked a co-worker to go with her to the vaccination site.

The 58-year-old, "gifted grandmother of six" was in the high-risk category for Covid-19 with multiple preexisting conditions including diabetes, morbid obesity, high cholesterol, high blood pressure and sleep apnea.

Keyes' daughter, Lisa Jones, told WKTR her mom's job "made her eligible for the vaccine."

Keyes believed the vaccine would lessen her symptoms if she contracted the coronavirus.

Before she left home, Jones helped her put on her shoes.

"She was such a loving and generous person," Jones said.

A co-worker accompanied Keyes to a medical facility in Warsaw, where she got the injection on Saturday. Keyes waited the mandatory 15-minute observation period before heading to her car in the parking lot.

Her co-worker said she was getting into her car when she suddenly said, "Something is not right. Something's not right."

Keyes had difficulty breathing and began vomiting. She was rushed to VCU Tappahannock Hospital, where doctors administered Epipen (epinephrine for anaphylaxis), CPR and oxygen.

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"They tried to remove fluid from her lungs. They called it 'flash pulmonary edema,' and doctors told me that it can be caused by anaphylaxis," said Jones (pictured right). "The doctor told me that often during anaphylaxis, chemicals are released inside of a person's body and can cause this to happen."

Anaphylaxis is a severe, life-threatening allergic reaction that can occur within seconds or minutes after exposure to a substance the person is allergic to.

People who suffer an anaphylactic reaction should receive an epinephrine injection immediately to counteract the allergen.

Signs and symptoms of an anaphylactic reaction include itchy rash, swelling of the tongue and throat, difficulty swallowing, difficulty inhaling, shortness of breath and light headedness.

The onset of symptoms can occur within seconds or minutes.

Health officials previously cautioned people not to take the mRNA vaccine if they had a severe allergic reaction in the past.

The risks -- including death -- were spelled out in the documents that Keyes signed before she got the vaccine.

Still, Jones is demanding answers. She believes more testing should have been done before the vaccines were rushed to market for a virus with a 99.4% survival rate.

"Why are we allowing people with underlying conditions to be guinea pigs for a vaccine that is still in clinical trials and emergency use?" Jones questioned.

Jones told WTVR she hopes her mother's death serves as a warning to doctors and health professionals to pre-screen patients prior to administering the vaccine.

"My mom was wanting to protect herself, and it did not turn out that way," Jones told WBRZ.

Health officials insist Keyes did not die from anaphylaxis or a reaction to the vaccine -- despite ER doctors treating her for anaphylaxis.

The CDC is also investigating the deaths of a 56-year-old Florida doctor about two weeks after getting his first Pfizer vaccine, and a 60-year-old California healthcare worker who died four days after his second injection with the Pfizer vaccine.

"Drene Keyes believed mainstream media, government health officials, her doctors and Big Pharma that Pfizer's vaccine was safe and it would protect her," said Robert F. Kennedy, Jr.

"Her faith and trust in those people and institutions may have cost her her life."

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California health officials have halted the administration of Moderna mRNA vaccines after an "unusually high number" of adverse reactions were linked to one batch.

Dozens of deaths and adverse reactions have been linked to vaccines in the U.S. and Norway, where 33 senior citizens died shortly after receiving Pfizer injections.

At least 55 people have died following vaccinations in the U.S. The CDC states a number of deaths are to be expected for vaccine rollouts.

But California isn't taking any chances. The California Department of Public Health said Monday that "fewer than 10 individuals" experienced severe side effects to the mRNA vaccines that required medical attention over the past 24 hours.

All of the reactions were linked to a single community clinic. The clinic reportedly closed for several hours after the adverse reactions occurred.

California is prioritizing vaccines for the elderly (over age 65) and frontline health workers, many of whom don't want the shots.

Los Angeles Mayor Eric Garcetti warned firefighters might be required to take the injections after 45% of them failed to show up for their vaccinations.

Firefighters who are fearful of being guinea pigs have been offered free gifts and perks, such as home security systems, bicycles, and gift cards for Airbnb and Lyft rides.

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The Centers for Disease Control (CDC) issued new guidance after thousands of people reported adverse side effects after getting the new mRNA Covid-19 vaccine.

As of Dec. 18, 3,150 people reported what the agency terms "Health Impact Events" after getting vaccinated. The CDC defines "Health Impact Events" as "unable to perform normal daily activities, unable to work," or "required care from a doctor or health care professional."

The adverse effects were reported through V-safe, a smartphone app, according to theepochtimes.com.

Dr. Thomas Clark, a CDC epidemiologist, reported the data to the Advisory Committee on Immunization Practices on Saturday (click link to see the reported data).

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The CDC recommends not taking the vaccine if a person has "ever had a severe allergic reaction to any ingredient in a Covid-19 vaccine."

The active ingredient in the Covid-19 vaccine is 30 mcg of modified messenger ribonucleic acid (modRNA) which contains encoding of spike protein (glycoprotein of SARS-CoV-2).

The encoding tells human cells to produce a spike protein of SARS-CoV-2 that acts as an antigen (kind of like a virus) to stimulate an immune response and create antibodies.

The amount of mRNA contained in the first injection is less than a grain of table salt. A second injection is required within 21 days of the first shot.

Other ingredients include lipids, salts, sugar (6 mg sucrose) and polyethylene glycol as a purifier.

The CDC recommends that people with a history of severe allergic reactions not related to vaccines or injectable medications can still get the mRNA vaccine.