The average number of IVF cycles before a viable pregnancy is 2.5

Calculate your chance of success for IVF treatments

The efficacy of in vitro fertilization procedures varies widely based on age, health history, genetics, and more. This CDC calculator provides an estimate of success rates based on your personal information, relying on thousands of reported outcomes across the US.

IVF procedures fertilize eggs outside the body in a laboratory dish

In vitro fertilization is a complex and expensive set of procedures that potential parents dealing with infertility or genetic disorders may turn to when other methods are unavailable. IVF births account for 2% to 3% of all live births in the US annually.

About 250,000 patients accessed assisted reproductive technologies in 2022

In 2022, 251,542 patients tried assisted reproductive technologies—most commonly IVF—resulting in more than 98,000 infants. Those children represent around 2.6% of the babies born in the US.

IVF is legal across America, but some worry that state bans could curtail this reproductive technology

This reproductive technology is available across the US, but if states take action to prohibit the discarding of unused embryos or pass related legislation, it could affect access to IVF. Laws prohibiting IVF or effectively outlawing the procedure by defining personhood as being conferred at the moment of conception have been under discussion in several states in recent years, including Ohio, Virginia, and Texas.

Scientific advances are unlocking a wide range of alternatives to IVF

From refined artificial insemination and microsurgical sperm extraction to experimental uterine transplants, scientific innovation is rapidly advancing potential fertilization technologies. But they come along with costly trials, some ethical dilemmas, regulatory issues, and more.

Explore this interactive visualization of the IVF journey as a parent or child

This step-by-step graphic takes the viewer through different challenges and stages of the IVF journey, from a parent's and a child's perspective, including a parent's struggle when other families become pregnant around them, even as IVF is not working for their family.

How two families navigated an unthinkable IVF mistake

The field offers hope to thousands of families annually, but it is also largely unregulated, and for a small number of parents, things can go terribly wrong.

The cost of covering family health insurance has tripled in 20 years

The Milliman Medical Index tracks the real cost of health insurance for people covered through employer-sponsored plans. In 2025, healthcare for a family of four cost an average of $35K, including employer contributions, out-of-pocket expenses, premiums, and offset wages.

Without 3-parent IVF, women carrying faulty mitochondrial DNA have few options for children

Women who are carriers of mitochondrial diseases that wish to have children without those conditions cannot be biological parents without three-parent IVF. The alternatives are to adopt or have a child via egg donation.

Infertility is often not discussed, forcing women and families to grieve privately

Watch this podcast discussion from Weill Cornell Medicine about the emotional journey of infertility for couples and individuals and hear advice about how to navigate the feelings of loss of control, grief, anger, and despair, including suggested tips for supporting individuals struggling with infertility.

Only about 0.0001% of sperm, on average, successfully reach the uterine cavity

We've evolved to make pregnancy a complex and difficult process. From the initial development of the blastocyst, to the energy and nutrients needed to grow a new human, our bodies are both fighting and supporting fetal development.

US child care costs, mapped

It's no secret that child care in the US is expensive, but this map provides more color to that observation by showing the average annual price of child care in licensed child care centers for infants, by state, in 2023. South Dakota, for instance, had the lowest infant child care cost at $7,862 per year. See how the rest of the states fared here.

Organ transplants can come with a price tag of more than $2M without insurance

According to 2025 report data that was graphically represented by Statista, average costs for organ transplants can be as steep as $2.3M for a double lung transplant and $1.9M for a heart. These figures are based on what was actually charged to insurance companies—not what individual patients paid. Following the actual transplant there are also additional costs associated with the procedure, including lifelong immunosuppressant drugs.

Testosterone therapy can cause infertility, and has been explored as a contraceptive

Augmenting testosterone with testosterone hormone therapy suppresses sperm production, and the resulting infertility is permanent in some men. Though a high level of testosterone inside the testicles is essential for fertility, testosterone supplements suppress the production of the pituitary hormones that leads to that natural testosterone production in the testicles—causing infertility.

South Korea has the lowest fertility rate in the world

If current birthing trends persist, every hundred South Koreans today will have only six great-grandchildren between them. This crisis is a result of high expenses, harsh work-family trade-offs for women, declining marriage rates, and other societal factors. Some newer policies are helping to build incentives for having children, but larger issues also need to be addressed.

Couple welcomes rare quadruplet daughters who are actually a set of twins

The four healthy girls were delivered by cesarean section and joined a larger family that includes their parents and a 2-year-old older brother. Without the use of fertility drugs, quadruplet births are rare, but the chances are even slimmer that they'll be sets of identical twins. Medical professionals say the odds are around one in a million.

How much your blood really costs

In the US, donating plasma twice a week can earn you $400 a month. But this system only works by targeting people who need the money most. Plasma clinics are placed in low-income zip codes, and frequent donation may increase health risks.

Connecticut recently became the first state to create and launch a baby bond program

The program invests $3.2K for a baby born after July 2023, who is covered by the state's Medicaid program. When the child turns 18, they can use the funds for college, retirement, to buy a home, or invest in a business.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

Insurance denials prevent lifesaving care for patients with eating disorders

A patient living with anorexia nervosa was told by her insurance company that she wasn't sick enough to receive needed care. Her experience highlights how some insurers across Washington state focus on less useful metrics like body mass index and weight to gauge sickness instead of psychiatric symptoms that may better illustrate the urgency of receiving care.

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.

Medicare vs. Medicaid explained in 60 seconds

Medicare and Medicaid both provide government-funded healthcare but serve different groups. Medicare, launched in 1965, covers those 65 and over and has three parts: hospital stays (A), outpatient care (B), and prescriptions (D). Medicaid, funded by federal and state governments, supports low-income individuals, with eligibility varying by state.

15 states offer school voucher programs, serving nearly 350,000 students

Voucher programs direct public K–12 funding to families in the form of tuition grants for private schools and are typically targeted to low-income or special-needs students.

A FIRE number is the amount of money someone needs in retirement

To calculate one’s FIRE number, FIRE followers typically multiply their expected annual expenses in retirement by 25.

Run your numbers in this marriage tax calculator

When it comes to federal income taxes, not every couple benefits from getting married. This calculator lets you see how much two specific people might pay if they were to get married based on their individual income levels and more. Specifically, the calculator compares the taxes a married couple would pay if they filed a joint return with what they would pay if they were unmarried and each filed as single.

Becoming an Olympic swimmer costs tens of thousands of dollars

When you see Olympic athletes win gold, it's the culmination of years of hard work and discipline. But it isn't all sweat equity. Before ever stepping foot on the world stage, these athletes have to pay or find funding for private coaching and lessons, club memberships, and meet fees, with estimates that it costs $25K to $40K to make it to the Olympics.

Early menopause, occurring before age 45, can be triggered by certain risk factors

Some potential causes of early menopause include autoimmune disorders, chemotherapy, smoking, and certain surgeries that cause the body to produce lower levels of estrogen and progesterone.

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

Venture capital is a form of funding provided to early-stage companies with high growth potential, typically in exchange for an equity (or ownership) stake

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

About 12.5% of US adults experience a phobia in their lifetime, a diagnosis that hinges on the intense fear interfering with daily life and persisting for at least six months.

Hookworm infection, though risky, may help fight certain autoimmune conditions by tamping down the immune system's inflammatory response.

The syncytiotrophoblast is the outer layer of the placenta and the largest human cell, spanning an area about twice that of a king-sized bedsheet.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

Explore what it's like inside a patient isolation unit, used in situations such as treating a patient or suspected patient with Ebola.

The hormonal disorder PCOS was renamed PMOS in 2026, a move designed to improve care and research by shifting the focus to the hormonal causes of this condition that affects 1 in 8 women.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

How fusion—which releases energy when two lighter atoms combine to form a heavier atom—differs from fission

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

To reduce wrinkles in clothing, research recommends gentle wash cycles with more water and tumble drying with smaller loads and longer times.

Between 10 million and 50 million people in the US develop rashes from poison ivy, poison sumac, and poison oak each year.

The tragic Pulitzer Prize-winning image 'The Vulture and the Little Girl' (1993) generated controversy, raised concerns about ethics in photography, and eventually led to the photographer's death.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

Track the location of the Voyager probes, currently between 13 and 15 billion miles away from Earth.

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in terms of casualties, forces mobilized, and displacement of civilians.

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.