Men who thought their partner was more likely to spend time with other men produced ejaculates with higher sperm concentration during intercourse. This suggests that men’s bodies could be biologically (but unconsciously) tuned to respond to perceived competition.

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#SpermCompetition #MaleBiology #ReproductiveHealth #PsychologyOfMen #RelationshipDynamics

The introduction of oral contraceptives (the birth control pill) substantially contributes to the decline in teen pregnancies – Granular data from Sweden indicates that fertility responses to the pill explain the halving of teen births after the pill’s introduction.

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#BirthControl #TeenPregnancy #ReproductiveHealth #SwedenData #FamilyPlanning

Antioxidants in fruits and flowers seem to counteract harmful effects of microplastics, study shows. Anthocyanins in nuts, fruits and vegetables seem to lesson harmful effects of microplastics on reproductive systems.

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#Antioxidants #Microplastics #HealthyLiving #ReproductiveHealth #Nutrition

First hormone-free male birth control pill clears another milestone - In male mice, the drug caused infertility and was 99% effective in preventing pregnancies within four weeks of use. In male non-human primates, the drug lowered sperm counts within two weeks of starting the drug.

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#MaleBirthControl #HormoneFreePill #InfertilityResearch #ReproductiveHealth #ScientificBreakthrough

Sperm don’t just swim - they screw their way forward. Researchers discovered that swimming sperm create swirling fluid vortices, like rolling corkscrews, giving them an extra boost to the egg. This is the first time researchers captured both the flagellar motion and the surrounding 3D flow field.

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#SpermScience #FluidDynamics #ReproductiveHealth #Biomimicry #ResearchBreakthrough

A new study shows that most OB/GYNS didn't immediately leave US states where abortion was banned after the 2022 Dobbs ruling. 14 states ban nearly all abortions, 6 ban abortions after 6 to 12 weeks gestation. While most OB/GYNs haven't moved, some say the legal risks have changed how they practice. ⚖️👩‍⚕️🩺

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#AbortionRights #OBGYN #DobbsRuling #HealthcareAccess #ReproductiveHealth

‘Landmark’ study: 3-person IVF leads to 8 healthy children 👶👶👶👶👶👶👶👶. Long-awaited results suggest that mitochondrial donation can prevent babies from inheriting diseases caused by mutant mitochondria. The children carry nuclear DNA from a mother and father, and mitochondrial DNA from a separate egg donor.

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#IVFbreakthrough #MitochondrialDonation #HealthyChildren #ReproductiveHealth #GeneticInnovation

**Research shows a 49-per-cent jump in long-acting reversible contraception (LARC) use after B.C. made contraception free 💰✨. LARC methods are 10 times more effective than the birth control pill or condoms 💊🔒. By removing the cost barrier, B.C. has found a straightforward way to prevent unintended pregnancy 🚼❌.**

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#LARC #ContraceptionAccess #ReproductiveHealth #PublicHealth #UnintendedPregnancy

Promising New Male Contraceptive Passes First Human Safety Trial 🧑‍🔬💊 | A study in mice 🐭 also found that those who went on to father babies 👶 after stopping the drug produce normal, healthy offspring. 🌱

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#MaleContraceptive #ReproductiveHealth #HealthInnovation #ClinicalTrials #FamilyPlanning

Most TikTok videos about birth control are unreliable 🤔📉, study finds. Over half (53%) explicitly rejected hormonal birth control, and 34% expressed distrust toward health professionals or medical advice. Some even promoted unproven alternatives such as papaya seeds 🍈 or coconut oil 🥥 as contraceptives.

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#BirthControlMyths #HealthMisinformation #TikTokTrends #ReproductiveHealth #TrustTheExperts

Scientists make embryos from human skin DNA for the first time: Proof of concept study 🧬👶 - this approach can help men who don't have sperm or women who do not have eggs. This technique is not ready for clinical use, but has advanced the field of in vitro gametogenesis.

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#EmbryoResearch #InVitroGametogenesis #StemCellAdvancements #ReproductiveHealth #ScienceInnovation

Early medical abortion at home up to 12 weeks of pregnancy is safe, effective, and comparable to hospital care, finds a 5 year review of cases in Scotland, where this timeframe is legally permitted. 🌿🏠🩺📊

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#EarlyMedicalAbortion #SafeAbortion #ReproductiveHealth #HealthcareAccess #ScotlandReview

Scientists found that sperm switch on an enzyme called aldolase to boost energy for fertilization. Blocking this process could lead to new male contraceptives. 🧬💡💊

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#SpermScience #MaleContraceptives #ReproductiveHealth #EnzymeResearch #FertilityBreakthrough

Wildfire Smoke Linked to Declines in Sperm Quality 🌫️🔥🧬

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#wildfiresmoke #spermhealth #reproductivehealth #environmentalimpact #scientificresearch

Widely used pesticides may lower sperm count 🐜💔 - new study reviewed 21 experimental rodent studies 🐭📊 that took place from 2005 through 2025, which consistently indicate that insecticide exposure may negatively affect human health, specifically male reproductive health. 👨‍⚕️⚠️

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#Pesticides #SpermCount #ReproductiveHealth #Toxicology #EnvironmentalHealth

When pregnancy emergencies collide with state abortion bans 🚨 | Study suggests that state abortion laws may undermine federally protected care in obstetric emergencies 🤰⚖️.

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#PregnancyCare #AbortionRights #ReproductiveHealth #ObstetricEmergencies #HealthcareJustice

Not having offspring key to long life: research shows blocking reproduction can increase the lifespan of males and females of 117 different mammal species. 🐾 In males, only castration extends lifespan — not vasectomy. 🚫 In females, lifespan increased after several different forms of sterilisation. 🐾✨

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#LongevityResearch #MammalLifespan #ReproductiveHealth #CastrationEffects #SterilizationStudy

🔬 Abortion restrictions disproportionately impact pregnancies conceived via fertility treatment, according to new research from Oregon Health & Science University (OHSU).

🤰 States with Targeted Regulation of Abortion Providers (TRAP laws) show worse maternal health outcomes for fertility patients compared to states without such laws.

📊 A study of over 400,000 births from 2012-2021 found increased serious maternal health complications, including blood transfusions, ICU admissions, and hysterectomies, in states with TRAP laws.

#ReproductiveHealth #HealthcareAccess #FertilityTreatment

A new study of more than 16,000 people who sought help from a nationwide abortion and miscarriage hotline found demand for confidential clinical support surged both before and after the U.S. Supreme Court decision that overturned federal abortion protections.

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#AbortionCare #ReproductiveHealth #PolicyImpact

Researchers have published a proof-of-concept study demonstrating that injectable semaglutide may offer meaningful reproductive benefits for women with polyendocrine metabolic ovarian syndrome, (PMOS) formerly known as PCOS

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#PCOS #Semaglutide #ReproductiveHealth