Write an article based on this summary:

Change your baby's diaper  if they seem hungry. Pat your baby on their back to burp them after a feeding. Bicycle your baby’s legs to help relieve built-up gas. Offer a pacifier if your baby is not responding to other strategies. Take your baby to their crib if they seem sleepy.
if it is dirty. Look for signs such as crying, odor, wetness, or constant movement and check your baby’s diaper. If it is wet or soiled, take off the old one and use baby wipes to clean the baby's genitals and legs. Allow the area to dry completely, then apply a soothing ointment and put on a new diaper.  Check your baby’s diaper at least every 2 to 3 hours to help prevent diaper rash and keep your baby comfortable. Always wash your hands before and after you change your baby’s diaper. Change diapers in a warm, clean location, such as on a clean towel on your living room floor or on a changing table in the baby’s nursery. y seem hungry. Breastfeed or bottle-feed your baby pumped breast milk or formula. If your baby has progressed to solid foods, then you can also offer them some cereal or baby food. Some signs that your baby might be hungry include:  Smacking their lips Crying Rooting (baby turning their head toward you when you touch their cheek) Putting their hands in their mouth After they are done eating, they may start to cry because of a gas build-up in their stomach. The best way to burp your baby is to lean your baby's stomach over your shoulder. One hand should be on the baby's bottom while the other is supporting the baby’s head and neck. Gently pat your baby on the back as you hold them in this position until your baby burps. Keep your baby upright so that they can release the gas build-up. If your baby is still crying after you try to burp them, then they might need more help to release built-up gas. Lay your baby on their back on top of a soft blanket. Gently grab each of their lower legs and begin to bicycle them (this is the same motion as you would pedal a bicycle). Keep doing this until you either hear your baby relieve themself or they stop crying.  You can also contact your doctor about using infant gas drops which help your baby pass gas. Make sure to consult your doctor about constant gas problems. This could be related to acid reflux, lactose intolerance, constipation, the stomach flu, etc. Babies, especially up to 7 months old, have strong sucking needs. If your baby is crying after changing, feeding, and burping them, then they might simply want something to suck on. Try giving your baby a pacifier or help them find their thumb and see if this helps to soothe them. Giving your baby a pacifier might also help them to fall asleep. Sometimes the best solution is the easiest. A baby will often cry a lot if they need to go to sleep. They may also yawn, be a tad cranky, or simply be falling asleep. Hold them in your arms for a while before you take them to their crib. After they are calm, lay them down in their crib on their back.  Don’t put any blankets, pillows, stuffed animals, or other items in the crib with your baby. These increase the risk of SIDS. A musical mobile hanging above the bed, playing a song, can help lull them to sleep. Always keep a baby monitor on if you plan on going out of the room.