Gender does not directly determine intelligence, affection, sociability, submission, dominance, aggression, activity level, ability to be housetrained, willingness to learn or much else in a dog.

Just like with people each dog has a different and distinctive personality.  That is why we take the care we do in placing a puppy or dog in a new home.  It is important for the personalities of the dog and their new people be a compliment.

Double coated breeds, like Pomeranians, primarily shed their undercoat, which requires brushing all the way to their skin during that shed or matting will occur.  Be prepared to brush your dog two or three times weekly.  Grooming should be a time enjoyed both by your dog and yourself.

Each dog is an individual and has different learning curves and responds to different methods of training differently. High intelligence doesn't always make a dog more trainable, sometimes it just makes them more wily in ways to thwart you! HUMAN BONDING is the single most important factor in your dog's trainability. You must be bonded to your dog for it to even want to please you. Can you blame it? I don't have much desire to please a stranger, or someone I don't like myself, so I can't blame the dogs too much.

Age also plays a role in in how well they house train.  Puppies will have to go to the bathroom more often than an adult.  There are many aids and methods in potty training; piddle pads, litter boxes, belly bands and britches.  All can be great stress relievers during the training process.

Potty training takes consistency and attention.  The puppy must go out after eating, sleeping, playing, etc.  At first you will find yourself going out every hour or two.  Soon those times will lengthen and the outings will be longer apart.  Even with my older rescue dogs if I revert to "puppy" training most times they are very trainable.  They don't learn it on their own, they have to be taught.

The most common puppy training mistake that I see made is punishing the dog after the deed is done.  This only teaches them to be fearful, of the rug, of your hand, you, or whatever they relate to the punishment,.  It is completely ineffective for the potty training as they cannot relate the punishment to the completed behavior.  I find that it is common that the person who complains their pet won't come to them is generally the one who has used their hands to spank or punish the puppy.  I wouldn't come either if I expected to be hit.  In order to punish you have to catch them in the process of performing the act.  Even then the correction is "No" "Outside" and out the door you go.  Rubbing their noses in it does no good and spanking is just crewel and ineffective.  Consider that, to a dog, poo is really cool stuff and rubbing their noses in the poo is not the most horrible thing that can happen to them. After the deed is done, they don't relate that they are responsible to the poo or pee that they are getting rubbed in their face.  All they know is that you are mad at them and possibly hurting them.

Another common issue with potty training is the dog who gets "reversed".  If your dog is going outside and doing nothing... then as soon as you come in the door they piddle on the floor.  That dog is reversed.  Two things are important here.  The first is that you don't give up on them when you are outside.  Stay out there until the dog has done their business, then come in.  The other is a bit of a "fooled ya" trick.  When they are done, then come in, turn a circle, and go right back outside.  This will allow the body to say "hmmm... I am inside now time to potty..." then when they get outside the body is started and they go.  Tons of praise when they go and you are good to go back inside.  Generally two or three times of this and they have gotten "un-reversed".

Let me also de-bunk a popular misconception.  Boys are not the only ones who mark, girls do as well, they are just a bit more subtle about it.  I often have have people indicate that the don't want a male because they mark.  Marking is a dominate behavior most common in un-altered adults.  A pet needs to be taught that marking is not acceptable behavior.  In the mean time a belly band or britches (for the girls) can save a lot of stress and cleaner.

One of the leading causes of death in pet animals is mammary gland and testicular cancers. Early altering will prevent the sexual maturation and greatly reduce (almost eliminate) the incidence of these cancers.  With hundreds of animals being put to sleep each and every day it is your responsibility to spay and neuter your pets.

One of the most common reasons animals are abandoned have to do with housebreaking. The scent of estrus is noticeable to dogs for five miles! Instinct causes your dog to respond to this scent with urinating in their surroundings to mark their territory. Females piddle in tiny amounts and therefore it is less noticeable, and males lift their leg and urinate on objects to mark territory-which is more noticeable, but both genders mark their territory when left unaltered. Since the scent of urine is present-it then causes problems with defecation in the house as well. Since sexual maturity occurs in toy breed dogs well before the age of one year old this makes it advisable to alter your pet between the age of five and seven months of age (In boys, before they learn to lift their legs). Most vets recommend this age as well.

The activity level and diet of your pet determine it's weight.  If unusual weight gain happens then thyroid testing may be in order, or outside sources of food not under your control, well meaning neighbors for instance, should be considered.  Maybe they just need to start going for a long evening walk.

If you are having aggression issues that you are concerned about a good obedience class would be of benefit for both you and your pet.  That obedience instructor may suggest further behavioral modification sessions if a pet is still having issues.

It is bloody, agonizing, and potentially very dangerous to the dog and the puppies. MANY small breed females have Caesarean sections and MANY of them die. That is not something I would wish to subject my young children to. Children are usually very emotionally involved with their pet and it is a potentially traumatic experience for them, far from the "miracle" you hoped it would be.  Additionally you are putting the life of their much loved pet at risk with any pregnancy. What kind of "miracle" would that child see to watch their pet and her puppies die during that "miracle"?  Consider just how many dogs are in rescue - hundreds are put to sleep in shelters every single day.  Do you really want to add to that for the sake of an educational experience?.

With most dogs, between baths you can use a bit of baby powder for a dry cleaning that keeps them sweet smelling. Make sure not to get the powder in the dog's nose.  You can also use a "steam bath" method of taking a HOT wet towel and wrapping it around the dog for a few minutes, then rub vigorously. The steam bath will remove a great deal of soil from their coat and works great for a freshen up when traveling.

• The Pom has a double coat and can have issues with dry skin and coat; and requires bathing approximately every other month or every third month-according to their lifestyle.  Use a gentle dog shampoo (I use a Protein Lanolin dog shampoo).  Brush with a metal pin brush (the longer pins the better) and metal detangling comb thoroughly at least once per week. Watch for mats behind the ears, under the front arms and along the backs of the legs as these are the areas where the coat is finer and will tend to mat.  Be sure to brush before a bath and after the coat has dried after a bath, that is when you will get most of the loose coat out.
   
• The Poodle and Bishon have a curly coats that catches up the loose fur.  Brushing regularly with a pin brush to work out that coat is important to avoiding mats.  These dogs are considered hypo allergenic because of the type of coat and the minimal of shedding.  Brushing with a metal pin brush or even the fine slicker brush.
   
•  Hair type coats like Maltese, Yorkie, Havanese and Puff Chinese Crested's have more of a human type of hair.  They require frequent brushing to keep the tangles down.  They also benefit from some additional oil in the coat, like silk oil or mink oil.  These are also considered hypo allergenic breeds because of the hair like coat, rather than fur.  I prefer a soft boar brush and comb for this coat type.
   
• Short coats like Chihuahua actually have as much shed or more than some longer coated breeds.  The hair that they shed is also more difficult to remove from clothing, etc that the fur of some breeds.  A slicker brush works best to remove the shed on the Chi types of coat.
   
• Terrier types.  Terriers benefit greatly from "stripping" the coat.   There are many YouTube videos showing how this is accomplished.  Their coats are a more coarse texture. My preference is a slicker brush for the terrier types.

Here are some of the things that you will want to consider:

The Pomeranian's proper size is 3 to 7 pounds.  They are part of the AKC Toy group.  In the US there are no such thing as size variations for Pomeranians.  Since the Pomeranian originally came from the larger Spitz breeds a quality breeder may occasionally see Pomeranians over that 7 pound mark, but those should be rare.  Puppy Mills love to breed the bigger Poms as they get bigger litters and it means more money.  These bigger Poms are the largest majority of the Poms that we find in rescue.  Poms of the proper size, 3 to 7 pounds, are less common.  Poms that come in under that 3 pound mark very often have health issues and live shorter lives. 

In the Poodle and American Eskimo breeds there are size variations of Toy, Miniature and Standard.  Each of those have very specific characteristics and none are called teacup.

If you see a breeder marketing Standard, Toy and Teacup Puppies run; as that is a puppy mill or back yard breeder who is just out for the money.  I have also seen rescues buying into the hype and marketing tiny dogs as teacup.  We don't do that here.  All that serves to do is to validate the marketing hype that has been created by the puppy millers.  If you come to me looking for a teacup dog expect some good natured education.

If you feel that your dog is having separation anxiety when you are gone.  Try using a crate for his away time.  Make sure that the crate is big enough for him to move around in and that he has access to water.  Many little dogs, when left the run of the house, will begin looking for you.  As they search they become more anxious that they can't find you.  To much space can lead to an increasing anxiety.  When you put them in their crate they consider that their den, or safe place, they will relax and know that you will be letting them out when you return.

Make sure he has constructive ways to occupy his time when you’re not around. Stuff a Kong toy or fill a puzzle toy with his daily ration of kibble so he has to work for his meals.  Give him an antler or raw bone to gnaw on.  But a word of caution: Never leave your dog unsupervised with a toy that could be chewed apart and swallowed. Before leaving your dog alone, make sure any toys in the environment are indestructible.

Leave the radio tuned to a calming classical station so that they aren't in a totally quiet space.  This way they are less affected by other noises that happen throughout the day. Choose the station carefully. You don’t want to come home to a dog who is amped up from listening to people shout at each other all day.

Your dog will be overjoyed when you come home and take them for a walk first thing.  They are so happy to see you that being alone for a long day isn't a big deal at all.
 

As stated throughout this page. 
I am no expert, these are just things I have found to be helpful to me and/or represent my own opinion. 
Hopefully they will be helpful to you.