Learn what courts weigh in a contested custody case, how equal-time presumptions change the outlook, and how to build a record that shows stability.
Best for the Children Editorial·10 min read·May 29, 2025·Updated October 14, 2026
The papers have been served, the father wants more time than you think is right, and someone has already told you not to worry because "judges always side with the mom." Don't count on that. In most states the law stopped favoring mothers decades ago, and a growing number now start from equal parenting time. To prepare, learn the standard your state's judge will apply, show that you are the stable and capable parent, protect your child's relationship with their father unless safety requires otherwise, and document everything that matters.
For roughly a century, many American courts assumed young children belonged with their mothers. This "tender years" presumption was used in most state courts from the late 1800s until the 1960s. In the 1970s most states abolished it and adopted a gender-neutral "best interests of the child" standard.
Courts also began calling the old rule unconstitutional. In Ex parte Devine, the Alabama Supreme Court held that a presumption favoring mothers discriminates on the basis of sex. Utah's Pusey v. Pusey reached a similar result.
Mothers still often do well in custody disputes, but not because they are mothers. Courts prize stability, and stability tends to favor whichever parent has been the primary caregiver. That parent is often the mother, but the law does not require it. If you have done most of the daily parenting, your advantage comes from that record, and you have to prove it.
Every state, the District of Columbia and the U.S. territories require courts to consider a child's best interests in custody decisions. No single national definition exists. Each state writes its own version, and some states don't list specific factors at all.
Where states do list factors, they commonly include:
The child's wishes are a recognized factor, but states differ on how much weight a child's preference gets and at what age. The federal Child Welfare Information Gateway runs a State Statutes Search where you can look up your state's exact list. Read it before you meet with a lawyer, because those factors are what you will be preparing evidence for.
The biggest recent change in custody law is the spread of equal-time presumptions. If you live in one of these states, going into court expecting primary custody by default is a serious mistake.
Kentucky. Since 2018, KRS 403.270 has said: "there shall be a presumption, rebuttable by a preponderance of evidence, that joint custody and equally shared parenting time is in the best interest of the child." Even when that presumption is overcome, the court must build a schedule that "maximizes the time each parent … has with the child." The presumption is expressly subject to Kentucky's domestic violence provision, KRS 403.315.
Florida. HB 1301 took effect July 1, 2023. It created a rebuttable presumption that equal time-sharing is in a child's best interests, and a parent who opposes equal time must prove by a preponderance of the evidence that it is not. Best interests remains the ultimate test. A Florida Bar Journal analysis concludes the presumption does not apply retroactively to parenting plans entered before the change.
Missouri. Senate Bill 35 took effect August 28, 2023. It provides that "there shall be a rebuttable presumption that an award of equal or approximately equal parenting time to each parent is in the best interests of the child." The presumption can be overcome by a pattern of domestic violence, by findings under the statutory best-interest factors, or by the parents agreeing on all custody issues.
Other states are reported to be moving the same way, and this area of law is changing quickly. Check your own state's current statute rather than relying on a list, including this one.
What a presumption means for you: if you are asking for more than half the time, you carry the burden of proof. Expect to show, with evidence, why a different arrangement serves your child better. It is not enough to argue that you are the mother or that you have always done more.
Because the standard is best interests and stability carries so much weight, your preparation should show what your child's life looks like with you in it.
Know your child's life in detail. Be ready to answer questions about school performance, teachers, doctors, medications, therapies, friends and activities. A parent who knows these details shows the court the involvement the best-interest factors ask about.
Show a safe, workable home. Courts look at whether a parent can maintain a safe home and meet the child's physical and mental health needs. Have a realistic plan for childcare, school transportation and your work schedule. The court will ask how your days actually run, not just what you intend.
Keep a factual journal. No rule requires a custody journal, but in our view a calm, consistent written record is one of the most useful things you can bring to your lawyer. Note pickups and drop-offs, missed visits, medical appointments, school events, and significant things the child says or does. Keep it factual and unembellished. A journal that reads like a grievance list can hurt your credibility.
Save the paper trail. Keep school records, medical records, texts and emails with the other parent, and receipts for child-related expenses. These back up what your journal says.
This follows directly from the law. Equal-time presumptions and schedules that "maximize" each parent's time show that legislatures want children to have both parents. A judge applying that standard will notice which parent encourages the other relationship and which one gets in the way.
In practice:
Flexibility can also lead to settlement. In Missouri, for example, parents who agree on all custody issues can set aside the equal-time presumption entirely. Many families end up with a parenting plan both parents negotiated and the court approved. That outcome usually costs less and is easier on the children than a trial, and you keep more control over the result.
Everything in the previous section assumes your child is safe with the father. If there has been domestic violence, the law points the other way.
According to the National Council of Juvenile and Family Court Judges, about 28 states have some form of rebuttable presumption against giving custody to a parent who committed domestic violence. Some examples:
There is a real risk here. In reauthorizing the Violence Against Women Act in 2022, Congress found that courts often discount abuse claims when the accused parent responds by alleging "alienation." So if you are raising abuse:
Custody and finances are tied together, and a custody case is a good time to plan realistically. Census Bureau data for 2015 show:
Make sure support is addressed formally in your case. Don't build your household budget around payments you may not receive in full. A stable income and a realistic budget also help with the court's question of whether you can provide adequate care.
Everything above depends on where you live: which factors apply, whether equal time is presumed, what counts as rebutting it, how domestic violence is handled, and what rules govern relocation if you might move. Those differences are the main reason to talk with a family lawyer licensed in your state, ideally early, before you sign agreements or change living arrangements. If you can't afford a lawyer, legal aid organizations and domestic violence advocates can often help.
Don't count on being the mother. Count on being the parent who can show, with evidence, that your child's life is stable, safe and well cared for with you. Show that you support your child's relationship with their father, unless his conduct makes that unsafe, and document that conduct carefully. That is the case today's judges are looking for.
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