Breed Chihuahuas safely by planning for a hard birth, skipping the teacup trap, and finding a fully health-tested match on Petmeetly.
Chihuahua mix
Chihuahua mix
Chihuahua mix
Chihuahua
Chihuahua
Chihuahua mix
Chihuahua
Chihuahua
Breeding a toy dog is mostly about managing risk. The birth is the dangerous part, so plan for it from the start. These four steps are the heart of responsible dog breeding.
Chihuahuas often need a C-section. Line up a reproduction vet, use progesterone timing (a blood test that pinpoints ovulation), and discuss a planned C-section before the due date.
Screen the heart, the kneecaps, and the eyes, then register the results with the OFA so other breeders can see them.
Breed healthy dogs within the one recognized size. Never chase "teacup," and never pair two merles.
Agree a written stud contract, budget for a likely C-section, and line up homes before the mating.
Short answer
Coat is the only official split in the breed. A smooth-coat Chihuahua has a short, glossy coat. A long-coat Chihuahua has a soft, longer coat with feathering. They are the same breed, can be bred together, and need the exact same health testing.
Pick the coat you love, because health and temperament matter far more than coat length. The AKC standard recognizes both as one breed, per the American Kennel Club breed standard. Long coats need a little more grooming, but neither coat changes the breeding risks on this page.
Short answer
Three CHIC tests: a heart exam, a kneecap (patella) check, and an eye exam. All three are done once the dog is at least a year old. CHIC asks that the results be public, not that every result is perfect.
CHIC stands for the Canine Health Information Center, a shared database run with the OFA (the Orthopedic Foundation for Animals). A dog earns a CHIC number when its owner completes the breed’s tests and posts the results publicly, per the OFA CHIC program. Chihuahuas have no DNA tests required for CHIC. One optional DNA test, for a rare nerve disease called NCL, exists if you want extra peace of mind, per NCL screening research.
Run the full task list before the heat cycle starts. Our pre-breeding checklist walks through the timing steps that sit alongside these clearances.
Short answer
The birth is the dangerous part. Chihuahuas have about ten times the odds of a difficult birth (dystocia) compared with a mixed-breed dog. Their domed "apple" head is large for the mother’s narrow birth canal, so many litters end in a C-section. Plan for veterinary help; do not hope to avoid it.
A large UK study of emergency vet visits put the dog-wide dystocia rate at 3.7 percent. The Chihuahua was the single most common breed among those difficult births. Its odds were about 10 times higher than a crossbred dog, per O’Neill et al. (2017).
The follow-up study showed how often surgery is needed. Almost half of dystocia cases, 48.6 percent, ended in a caesarean section, per O’Neill et al. (2019). The mother died before going home in 1.7 percent of cases, which is why a vet on call is not optional.
The apple-head shape is the mechanical reason. A domed skull on a small body raises the odds that a puppy’s head is too big for the birth canal, per the same 2019 study. For many apple-head mothers and small litters, a planned C-section is the safest route, so discuss it with your vet early.
Short answer
No. "Teacup," "micro," and "pocket" are not real sizes. The breed has one size, and the Chihuahua Club of America calls these labels "incorrect and misleading." Breeding for extreme tininess stacks up health problems, and the higher price is for a made-up label, not a better dog.
The AKC standard sets one size: a well-balanced little dog not over 6 pounds, per the American Kennel Club breed standard. There is no smaller sub-type. A very small puppy in a litter is just a small Chihuahua, per the Chihuahua Club of America.
Breeding for the tiniest possible dog concentrates real harm. The smallest dogs face more low-blood-sugar crashes, fragile bones, fluid on the brain, and heart defects, per the Chihuahua Club of America. The breed club is blunt that the "teacup" label exists to raise the price, not the quality.
The honest message for buyers: pay for health testing and sound parents, not for a word the breed’s own club says means nothing.
Short answer
A molera is a soft spot on top of the skull where the bones have not fully joined. It is normal and accepted in Chihuahuas, and the breed standard allows it. A molera by itself is not hydrocephalus (fluid on the brain), but a large or lasting one alongside other signs is worth a vet check.
The AKC standard describes the head as an apple dome "with or without molera," so the soft spot is not a fault, per the American Kennel Club breed standard. University vets found no link between a fontanelle (the soft spot) on its own and hydrocephalus, per the Chihuahua Club of America.
The concern is a large soft spot plus warning signs. Watch for a bulging dome, a fixed stare, circling, seizures, or slow development, which point to hydrocephalus and need a vet, per the Chihuahua Club of America. Many vets also advise against breeding a dog whose soft spot stays wide open past about 12 weeks.
Short answer
Four matter most: patellar luxation (a slipping kneecap), two congenital heart defects, late-life mitral valve disease, and crowded teeth. The kneecaps, heart, and eyes are the CHIC tests. Dental care is lifelong.
The kneecap slips out of its groove, which is common in toy breeds and runs in families. The OFA grades it 0 to 4; do not breed dogs with a moderate or severe grade.
Chihuahuas are prone to two defects present at birth: patent ductus arteriosus (a vessel that should close but does not) and pulmonic stenosis (a narrowed heart valve). Listen to puppies and screen breeding stock.
A late-life leaky heart valve, common in small breeds. It is not present at birth, so screen older breeding dogs and retire them in time.
A tiny jaw crowds normal-sized teeth, causing early gum disease and retained baby teeth. It is the breed’s most common everyday problem and needs yearly dental care.
Tracheal collapse (a weak windpipe that causes a honking cough) also runs high in toy breeds, so note it in family history. Newborn Chihuahuas crash easily from low blood sugar, which the neonatal-care section below covers, per Veterinary Partner. Eyes are screened by the yearly CAER exam, since the breed has no reliable PRA gene test, per the OFA.
Short answer
Wait until the dog is at least a year old and fully cleared. The OFA certifies the patella, heart, and eyes from 12 months. A female should also be physically mature before a first litter, given the breed’s birth risks.
After CHIC heart, patella, and eye clearances at 12 months.
A yearly CAER exam; some eye problems appear with age.
A female should finish the heart, patella, and eye clearances before a first litter, per the OFA CHIC program. Because the birth is the risky part, a mature, well-grown dam handles whelping better than a barely-grown one. Retire females from breeding well before old age, and keep litters few.
Short answer
Match for health and balance, not for the smallest possible size. Pair dogs that are fully cleared on heart, patella, and eyes. Never breed two merles together, and avoid pairing two very tiny dogs. Keep shared ancestry low to protect the breed.
Size matters for safety, not bragging rights. Two extremely small dogs raise the odds of fragile, low-birth-weight puppies, so breed toward sound, standard-size dogs. A low coefficient of inbreeding (COI, a number for how related two dogs are) is the tie-breaker once both dogs pass their health tests. For the wider workflow, our ethical breeding step by step guide covers what a sound pairing looks like start to finish.
5 questions to ask the other owner
Short answer
Chihuahuas come in almost every color, in both smooth and long coats. Fawn, black and tan, and chocolate are common. Blue is a dilute color that can bring thin, fragile coat. Merle is allowed by some clubs but contested, and you must never breed two merles together.
Chihuahua color palette
Color does not affect health much, with two exceptions. Blue is a dilute shade, and dilute coats can thin or break (a condition called color dilution alopecia), per the American Kennel Club breed standard. Merle carries a real risk when doubled up, which the merle section below explains.
Temperament is part of breed type, not a bonus. The standard Chihuahua is alert, lively, and devoted, bonding hard with one or two people and wary of strangers, per the American Kennel Club. Early socialization is essential, because a fearful Chihuahua can become a snappy one. The UK study even recorded aggression as a clinical problem in 4.2 percent of the breed, per O’Neill et al. (2020). So screen breeding dogs for confident, stable nerves, and breed away from fear and over-reactivity. Be honest with buyers that Chihuahuas are often a poor match for homes with very young children, because a fragile dog and a toddler are a risky mix.
Short answer
Pregnancy runs about 63 days, and litters are small, often just two to four puppies. Feed the dam (the mother dog) a calorie-dense puppy diet through late pregnancy and nursing. Plan the birth with your vet, and watch newborns closely, because tiny puppies crash fast from low blood sugar and cold.
Feeding plan by pregnancy stage
No calorie increase yet.
Small frequent meals; a full stomach crowds the puppies.
The dam needs far more energy while feeding the litter.
Watch newborns closely
Newborn Chihuahuas cannot keep themselves warm or hold their blood sugar. Keep the whelping box warm, feed every few hours, and supplement any puppy that is weak or cool. One study of Chihuahua puppies born by planned C-section is telling. Puppies that scored well on the newborn health check had 96 to 97 percent survival at 24 hours, while those that scored poorly had only 39 percent, per Groppetti et al.. So watch the weak ones closely and call your vet early.
Short answer
Plan for several thousand dollars before any puppy sells, and budget for a likely C-section on top. Litters are small, often two to four puppies, so the numbers rarely add up to a profit. A planned C-section alone can cost more than a single puppy sells for.
Estimated cost of a Chihuahua litter
Ranges are typical US pricing for a first litter. A C-section is common in this breed, so budget for it, not against it. A typical Chihuahua litter is just 2 to 4 puppies.
What can the puppies sell for?
Market range only, not a Petmeetly endorsement. The "teacup" premium pays for a label the breed club calls meaningless, and the smallest, most fragile puppies are the ones most likely to need costly vet care.
These cost and price ranges come from breeders and the AKC Marketplace, so treat them as ballpark, per AKC Marketplace. With small litters and a likely C-section, responsible Chihuahua breeding rarely pays for itself.
Total the numbers for your own pairing first. Our breeding cost and due-date calculator adds up testing, the stud fee, and the C-section cushion in one place.
Short answer
A written stud agreement spells out the fee, what happens if the female does not conceive, who pays vet costs, and how puppies or pick-of-litter are handled. With small litters and a likely C-section bill, settling who pays for what, in writing, prevents the disputes that sour most first-time breedings.
Clauses every Chihuahua stud contract should name
Merle is the mottled, marbled coat pattern, and it is contested in this breed. The Chihuahua Club of America allows it, but the United Kingdom’s Kennel Club has refused to register merle Chihuahuas since 2009 over health concerns, per the American Kennel Club.
The hard rule is simple: never breed two merles together. Pairing two merles produces "double merle" puppies, which often suffer deafness, blindness, and underdeveloped eyes. The defect comes from the way merle removes pigment, and pigment cells are the same ones the inner ear and eye need to form, per the American Kennel Club.
A merle DNA test matters because some merles look almost solid. If you breed merles at all, test first and only ever pair a merle with a non-merle.
The OFA CHIC program requires three: a heart exam, a patella (kneecap) evaluation, and an eye exam by a veterinary ophthalmologist. All three are done once the dog is at least a year old. CHIC asks that the results be public, not that every result is perfect.
Chihuahuas have about ten times the odds of a difficult birth compared with a mixed-breed dog. Their domed apple head is large for the mother’s narrow birth canal, so almost half of difficult births end in a C-section. A reproduction vet should be on call before the due date.
No. Teacup is a marketing label, not a real size, and the Chihuahua Club of America calls it incorrect and misleading. The breed has one size, capped at 6 pounds. Breeding for extreme tininess raises the risk of low blood sugar, fragile bones, fluid on the brain, and heart defects.
A molera is a soft spot on the top of the skull where the bones have not fully joined. It is normal and accepted in the breed, and the standard allows it. A molera by itself is not hydrocephalus, but a large or lasting one with other signs should be checked by a vet.
Chihuahua litters are small, often just two to four puppies, and a single-puppy litter is not unusual. Pregnancy lasts about 63 days. Because the litters are small and the puppies are tiny, each one needs close monitoring after birth.
Many do. In one large study, almost half of canine difficult births ended in a C-section, and Chihuahuas are one of the highest-risk breeds. Apple-head dams and small litters raise the odds further, so plan the birth with your vet and discuss a planned C-section.
Wait until the dog is at least a year old and fully cleared. The OFA certifies the heart, patella, and eyes from 12 months. A female should also be physically mature before a first litter, given the breed’s birth risks.
Chihuahuas come in almost every color, in both smooth and long coats. Fawn, black and tan, and chocolate are common. Blue is a dilute color that can bring thin coat, and merle is allowed by some clubs but contested.
You must never breed two merles together. Pairing two merles produces double-merle puppies with high rates of deafness and blindness. Some clubs allow merle and others refuse to register it, so if you breed merle at all, only ever pair a merle with a non-merle.
It is a kneecap that slips out of its groove, which is common in toy breeds and runs in families. The OFA grades it from 0 to 4, and a patella check is a required CHIC test. Dogs with a moderate or severe grade should not be bred.
Plan for roughly 2,500 to 7,000 dollars for a first litter before any puppy sells, including health testing, the stud fee, and a likely C-section. Litters are small, often two to four puppies, so the numbers rarely add up to a profit.
Chihuahuas are long-lived, with 12 to 18 years often quoted. One UK clinical study found a median age at death of about 8 years, but that figure reflects a young, fast-growing population rather than true life expectancy. Good dental and heart care help them reach old age.
Sources
Real stories from dog owners who found perfect breeding matches on Petmeetly
We found a lovely girl, and together she and Baxter welcomed adorable puppies. Baxter enjoyed the experience so much that he’s excited to keep making new connections on PetMeetly. Thank you!
Helen
California, US
Petmeetly is the only platform I’ve found that truly helped me in my search for my Tiny Girl’s perfect match. I met a wonderful lady with two boys who were interested, and we arranged three meetups while Tiny was in heat.❤️🐾
Kristy
California, US
It was pretty hard to find a mate for my dog, Jethro, but when I did, I also made wonderful friends with the owners! :)
Lenina
England, GB
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