Parenting Plans for Infants (Birth to 18 Months)

Birth to 18 months

In short

Babies do best with steady, responsive care and frequent time with each parent. Many families start with one home for most overnights and short, regular visits with the other parent, then add overnights gradually as the baby grows and both parents share daily care.

Developmental considerations

Babies build attachment through everyday care: being fed, soothed, changed, and put down to sleep by people they know. They can form secure bonds with more than one caregiver, and both parents can be those people. What tends to matter most at this age is predictability and frequent contact, because a baby's memory for routines and faces is still short. Feeding and sleep shape the schedule more than anything else. Child-development guidance generally favors short, frequent time with each parent at this age, with overnights added in a way that fits the baby's routines and each parent's part in daily care.

A realistic two weeks

A = Parent A, B = Parent B, by overnight. The pattern then repeats. +A or +B = daytime time with that parent, such as a visit or a dinner.
	Mon	Tue	Wed	Thu	Fri	Sat	Sun
Week 1	A +B	A	A +B	A	A	B	A
Week 2	A +B	A	A +B	A	A	B	A

This is one common shape for an older baby whose plan has started adding overnights. Parent A has most overnights. Parent B has daytime time on Monday and Wednesday (shown as +B) and one overnight each week, Saturday into Sunday. A younger baby might have three or four shorter daytime visits a week and no overnights yet. As the child grows, many families step up toward a pattern like 2-2-3, where neither parent is apart from the child for more than 3 days.

By the numbers

Overnights over two weeks: Parent A 12 of 14, Parent B 2 of 14 (86/14).
Daytime time with the other parent: 4 with Parent B every two weeks.
Overnight exchanges: 2 per week.
Most nights in a row: Parent A 6, Parent B 1.

See the full schedule: The 2-2-3 Custody Schedule

Time away from each parent

General guidance only. Every child is different, and what fits can change as they grow.

Babies generally do best seeing each parent often, every few days at most, rather than in long blocks. A few days without a parent can feel long to a baby who is still learning that people come back. That is why many plans for this age use short visits several times a week instead of fewer, longer ones. Overnights with each parent can work well, especially when that parent already knows the baby's sleep and feeding routines. Many families start with one and add more as the baby settles. Watch the baby, not the calendar: steady sleep, eating, and mood after a hand-off are good signs.

Schedules that fit this age

The 2-2-3 Custody Schedule: A common next step as a baby nears 18 months to 2 years: short blocks, and neither parent is apart from the child for more than 3 days.
The 70/30 Custody Split: One home for most overnights and two nights a week in the other. Adding short daytime visits keeps the gaps short.
Nesting (Birdnesting) Custody Schedule: The baby stays in one home and the parents rotate, so the crib, room, and routines stay the same. It takes a lot of coordination, and many families use it only for a while.

Routines across two homes

Sleep: Use the same bedtime steps in both homes: bath, feed, song, and down at about the same time. A matching sleep sack or the same white-noise sound helps more than identical cribs.
Naps: Share nap times after each stretch so the next home can keep the day on track. A late nap moves bedtime in either home.
Feeding: If the baby is breastfed, plans often build in flexibility: pumped milk sent with the baby, visits timed around feeds, or a feed right at the start or end of a visit. With formula or mixed feeding, use the same formula, amounts, and bottles in both homes. The goal is a fed, settled baby and a routine both parents can follow.

Making exchanges easier

Time hand-offs around the baby's day. Right after a nap and a feed tends to go better than right before bed.
Keep it short and calm. Babies pick up on tension. A quick, friendly hand-off with the bag already packed is enough.
Send the same bag every time. Bottles or pumped milk, diapers, a change of clothes, the comfort item, and a short note on the last feed and nap.
If there is a protection order, its exchange terms come first. Hand-offs can happen at a safe public place or through a trusted third party.

Communication norms

The most useful communication at this age is between the parents: feeds, naps, diapers, new foods, medicines, and how the baby seemed. A short shared note after each stretch keeps both homes in step. Short video calls can also help a baby stay familiar with a parent's face and voice, and pediatric guidance generally treats video chatting with family differently from other screen time. Keep calls brief and at a calm time of day, and skip them if they upset the baby.

When to revisit the plan

Sleep settles into a pattern. Once the baby sleeps through most nights and takes predictable naps, more overnights often get easier.
Feeding gets more flexible. Solid foods and fewer night feeds make overnights in either home simpler to plan.
Hand-offs go smoothly. If the baby eats, sleeps, and settles well after time in each home, it may be time to look at the toddler plan.

Next stage: Parenting Plans for Toddlers (18 Months to 3 Years)

Frequently asked questions

Can a baby have overnights with both parents?

Many do. Overnights tend to go best when that parent already knows the baby's routines and the hand-offs are calm. Many families start with one overnight a week and add more as the baby settles. What fits depends on the baby, the feeding plan, and each home.

How often should a baby see each parent?

Child-development guidance generally favors frequent time with each parent, every few days at most, over long gaps. Short visits several times a week are a common pattern for young babies.

How does breastfeeding fit into a parenting plan?

Plans often handle it with flexibility rather than fixed rules: pumped milk for the other parent's time, visits timed around feeds, and a plan to revisit as the baby starts solids. Talking it through with your pediatrician or a lactation consultant can help both parents plan around it.

Should we use video calls with a baby?

Short calls can help a baby stay familiar with a parent's face and voice. Keep them brief, at a calm time of day, and stop if they upset the baby.

Put it on your calendar

In CoreParent, set the overnight schedule in your parenting plan, choose who starts, and your calendar fills in who has the baby for the next 90 days. Add daytime visits as events so both homes can see them. Share it with your co-parent, or keep it to yourself.

References

American Academy of Pediatrics: AAP's healthy-family-development resources include guidance on infant caregiver attachment patterns.
Zero to Three: Zero to Three publishes research and guidance specifically on infant and toddler development, including family structures.