Why I Gave My Mosaic Embryo a Chance

“It was like rolling the dice, except for someone you’ve never met.”

#disabilities, #embryos-human, #genetics-and-heredity, #in-vitro-fertilization, #infertility, #miscarriages, #pregnancy-and-childbirth, #reproduction-biological, #tests-medical

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The Latest Issue in Divorces: Who Gets the Embryos?

Amid the pandemic, I.V.F. rates are on the rise, and so are disputes about what to do with remaining frozen embryos when couples split up. For some, it has gotten messy.

#artificial-insemination, #egg-donation-and-freezing, #embryos-human, #genetics-and-heredity, #in-vitro-fertilization, #infertility, #marriages, #pregnancy-and-childbirth, #reproduction-biological

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The Everyday Chemicals That Might Be Leading Us to Our Extinction

In “Count Down,” Shanna Swan tells a story of declining sperm count, rising infertility and the possible extinction of the human species.

#bisphenol-a-bpa, #books-and-literature, #chemicals, #count-down-the-past-present-and-uncertain-future-of-the-big-four-accounting-firms-second-edition-book, #endocrine-gland, #estrogen, #hazardous-and-toxic-substances, #infertility, #reproduction-biological, #swan-shanna-h, #testosterone

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What Are Sperm Telling Us?

Scientists are concerned by falling sperm counts and declining egg quality. Endocrine-disrupting chemicals may be the problem.

#chemicals, #endocrine-gland, #infertility, #regulation-and-deregulation-of-industry, #reproduction-biological, #sperm, #swan-shanna-h, #united-states, #united-states-politics-and-government

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Cannibalism May Be Key for These Cockroach Couples

Males and females of a species that mates monogamously complete their bond by gnawing off each other’s wings, a new study found.

#cannibalism, #cockroaches, #ethology, #reproduction-biological, #research, #your-feed-animals, #your-feed-science

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The World’s Rarest Turtle Has a Shot at Escaping Extinction

Conservationists confirmed that a Swinhoe’s softshell turtle found in Vietnam is female, reigniting hope for saving the species.

#conservation-of-resources, #endangered-and-extinct-species, #hanoi-vietnam, #reproduction-biological, #turtles-and-tortoises, #vietnam, #wildlife-conservation-society, #your-feed-animals, #your-feed-science

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A Surprise in a 50 Million-Year-Old Assassin Bug Fossil: Its Genitals

Scientists were surprised to find the insect’s preserved penis, which suggests it was an unknown species.

#fossils, #insects, #paleontology, #papers-in-paleontology, #penis, #reproduction-biological, #research, #your-feed-animals, #your-feed-science

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Finally in 3-D: A Dinosaur’s All-Purpose Orifice

This cloaca is more than 100 million years old, and it did a lot of work for this extinct species.

#anatomy-and-physiology, #anus, #crocodiles, #current-biology-journal, #dinosaurs, #feces, #fossils, #paleontology, #reproduction-biological, #research

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Millipede Swarms Once Stopped Japanese Trains in Their Tracks

A team of scientists say they have figured out the cicada-like life cycles of the many-legged arthropods.

#animal-behavior, #arthropods, #cicadas-insects, #insects, #japan, #millipedes, #railroads, #reproduction-biological, #research, #royal-society-open-science-journal, #seasons-and-months, #your-feed-animals, #your-feed-science

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Revealed: The Shipworm Sex Tapes

Nature’s weirdest clam surprises scientists once again, this time in video footage of its mating habits.

#animal-behavior, #biology-and-biochemistry, #biology-letters-journal, #clams, #fish-and-other-marine-life, #marine-borers-shipworms, #oregon, #reproduction-biological, #shipway-reuben, #sperm, #wood-and-wood-products, #your-feed-animals, #your-feed-science

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The Sperm Kings Have a Problem: Too Much Demand

Many people want a pandemic baby, but some sperm banks are running low. So women are joining unregulated Facebook groups to find willing donors, no middleman required.

#artificial-insemination, #california-cryobank, #children-and-childhood, #facebook-inc, #genetics-and-heredity, #in-vitro-fertilization, #pregnancy-and-childbirth, #reproduction-biological, #social-media, #sperm, #women-and-girls

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He Was a Stick, She Was a Leaf; Together They Made History

A surprise clutch of eggs has solved a century-old leaf insect mystery.

#biology-and-biochemistry, #brock-paul, #cumming-royce, #evolution-biology, #insectarium, #insects, #le-tirant-stephane, #montreal-quebec, #papua-new-guinea, #reproduction-biological, #your-feed-animals, #your-feed-science, #zookeys-journal

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Ready to Mate? Take Off Your Mask, One Bat Says

Wrinkle-faced bats incorporate whistles, wing flaps and furry masks into their mating rituals, researchers have found.

#bats, #biology-and-biochemistry, #costa-rica, #public-library-of-science-plos, #reproduction-biological, #research, #your-feed-animals, #your-feed-science

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Why Male Baboons Benefit From Female Friends

These male monkeys lived longer if they socialized with females, with or without benefits.

#animal-behavior, #friendship, #kenya, #monkeys-and-apes, #philosophical-transactions-of-the-royal-society-b-journal, #reproduction-biological, #research, #your-feed-animals, #your-feed-science

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Hold Me, Squeeze Me, Bite My Head

Two recent research efforts looked into the southern alligator lizard, which has one of nature’s more extreme mating strategies.

#animal-behavior, #jaw-body-part, #lizards, #los-angeles-calif, #muscles, #proceedings-of-the-royal-society-b-journal, #reproduction-biological, #research, #your-feed-animals, #your-feed-science

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Fossil Reveals ‘One of the Cutest Dinosaurs’ Ever Found

While many fossils have been flattened by time and the elements, a titanosaur found in an egg was preserved in three dimensions.

#argentina, #current-biology-journal, #dinosaurs, #eggs, #eyes-and-eyesight, #fossils, #paleontology, #reproduction-biological, #skull-body-part, #smuggling, #your-feed-science

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Why Some Tropical Fish Are Gettin’ Squiggly With It

On occasion, different species of angelfish produce hybrid offspring even more colorful than the parents.

#coral, #fish-and-other-marine-life, #reefs, #reproduction-biological, #research, #your-feed-animals, #your-feed-science

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He Doesn’t Mind Being Shared, Unless His Mates Try to Eat Each Other’s Eggs

A Brazilian frog species engages in reproductive behavior never seen in amphibians before.

#amphibians, #animal-behavior, #brazil, #frogs, #reproduction-biological, #research, #science-advances-journal, #your-feed-animals, #your-feed-science

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The Poly-Parent Households Are Coming

We’re on the cusp of a technological revolution in baby making. What it means to be a family could be next.

#artificial-insemination, #families-and-family-life, #genetics-and-heredity, #homosexuality-and-bisexuality, #in-vitro-fertilization, #parenting, #reproduction-biological, #sperm

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Infertility Was Distressing. The Military Made It Even More Complicated.

For service members like me, Tricare health insurance and the limited number of military medical facilities offering fertility treatments add more stress to an already emotional process.

#in-vitro-fertilization, #infertility, #pregnancy-and-childbirth, #reed-walter-national-military-medical-center, #reproduction-biological, #united-states-defense-and-military-forces

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The Male Anglerfish’s Evolutionary Solution to Female Rejection

Commingling tissues and blood would normally prompt a massive immune response. These deep sea lovers found a workaround.

#biology-and-biochemistry, #evolution-biology, #fish-and-other-marine-life, #genetics-and-heredity, #immune-system, #reproduction-biological, #research, #science-journal, #your-feed-animals, #your-feed-science

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Nature’s Noisiest Liars Carry Secrets in Their Calls

Many mammals that have loud calls to deceive other animals seem to have a particular learning style in common.

#biology-letters-journal, #elephants, #evolution-biology, #koalas, #mammals, #reproduction-biological, #seals-animals-and-sealing, #voice-and-speech, #your-feed-science

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Scientists Accidentally Bred the Fish Version of a Liger

American paddlefish and Russian sturgeon were not supposed to be able to create hybrid offspring. Surprise!

#conservation-of-resources, #endangered-and-extinct-species, #fish-and-other-marine-life, #genes-journal, #hungary, #reproduction-biological, #research, #sturgeon-fish, #your-feed-animals, #your-feed-science

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This Ancient Sea Creature Builds Its Body With a Whisper, Not a Scream

Unlike vertebrate embryo cells, which signal to each other over long distances, sea squirt embryo cells talk only to those they’re closest to.

#animals, #biology-and-biochemistry, #fish-and-other-marine-life, #reproduction-biological, #research, #science-journal, #sea-squirts

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Growing a Family in the Shadow of a Pandemic

Six households weighed the risks of conceiving and carrying a child during the coronavirus outbreak, each balancing their concerns against an uncertain future.

#coronavirus-2019-ncov, #families-and-family-life, #parenting, #reproduction-biological

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Mother Sea Turtles Might Be Sneakier Than They Look

The large reptiles make decoy nests to distract predators during an oft-ignored behavior following their egg laying, researchers say.

#beaches, #burns-thomas-researcher, #caribbean-area, #eggs, #fish-and-other-marine-life, #kennedy-malcolm-researcher, #reproduction-biological, #research, #royal-society-open-science-journal, #sand-and-gravel, #turtles-and-tortoises, #your-feed-science

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The Sound of One Shrimp Snapping

How climate change is altering nature’s sonic landscape.

#animal-behavior, #animals, #australia, #birds, #drought, #fish-and-other-marine-life, #frogs, #global-warming, #krause-bernie, #nagelkerken-ivan, #oceans-and-seas, #puerto-rico, #reproduction-biological, #spring-season, #summer-season, #weather, #whales-and-whaling, #your-feed-science

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As Mating Rituals Go, Valentine’s Day Isn’t So Bad

Four reproductive tales from the animal kingdom, where sealing the deal doesn’t always turn out so great for one partner.

#animal-behavior, #bedbugs, #evolution-biology, #octopus, #reproduction-biological, #research, #snails, #turtles-and-tortoises, #valentines-day, #your-feed-science

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