Mark G. Agresti, MDMARK G. AGRESTI MD LLC  ·  PALM BEACH, FLORIDA

WOMEN’S MENTAL HEALTH  ·  ADOLESCENT PSYCHIATRY

Hormonal Contraceptives and Depression Risk:

What Teens and Parents Should Know

A clinically grounded review of the evidence linking birth control to mood disorders in adolescent girls — and what families can do about it.

By Mark G. Agresti, MD  |  Mark G. Agresti MD LLC  |  drmarkagresti.com  |  Palm Beach, Florida  |  April 2026

Every year, millions of teenage girls in the United States are prescribed hormonal contraceptives — birth control pills, hormonal IUDs, implants, patches, and vaginal rings. For many, these medications provide genuine benefits: reliable pregnancy prevention, management of painful periods, and treatment of conditions like endometriosis and polycystic ovarian syndrome (PCOS). But an important and often under-discussed question sits at the intersection of reproductive medicine and mental health: can hormonal contraceptives increase the risk of depression in teenagers?

As a psychiatrist in Palm Beach, Florida, I am Dr. Mark G. Agresti of Mark G. Agresti MD LLC. I see the real-world consequences of this question in my practice — teenage girls who start hormonal birth control and then quietly begin to struggle, withdrawing from friends, losing interest in activities they once loved, feeling persistently sad or irritable — and whose mood changes are not always connected to their contraceptive method by the prescribing physician. The research tells a compelling and clinically important story that every parent, teen, and prescriber should understand.

1.8×

Increased risk of first antidepressant use in teens ages 15–19 on combined oral contraceptives

2.2×

Increased risk in adolescents taking progestin-only (mini) pills

40%

Increase in depression diagnoses one quarter after a first oral contraceptive prescription

6 mo.

Peak window of depression risk after initiating hormonal contraception

These are not fringe numbers from small studies. They come from some of the largest population-based cohort studies in psychiatric and reproductive medicine, involving hundreds of thousands to over one million women. The signal is real — and it is strongest in adolescents.

The Research: What the Evidence Actually Shows

The landmark study most cited in this field is a Danish cohort study published in JAMA Psychiatry, which followed over one million women aged 15–34. The findings were striking: all forms of hormonal contraception were associated with an increased risk of developing depression and with first-time antidepressant use. Crucially, the relative risks were substantially higher for adolescents than for adults.

Teenage girls aged 15–19 using combined oral contraceptives (estrogen plus progestin) had 1.8 times the risk of first antidepressant use compared to non-users. Those on progestin-only pills had 2.2 times the risk. The risk peaked approximately six months after starting the medication — suggesting a biologically plausible cause-and-effect trajectory rather than coincidence.

A separate study found that within one quarter of a first oral contraceptive prescription, the probability of a psychiatric visit rose by 17% and the probability of a depression diagnosis rose by 40% in adolescent users. A population-based cohort study published in Epidemiology and Psychiatric Sciences further confirmed that oral contraceptive use, particularly during the first two years, increases the risk of depression — and that adolescent use may increase that risk later in life, even after the pill is discontinued. A sibling-controlled analysis in that study helped rule out the possibility that the association was purely due to shared family risk factors.

“Adolescent use of oral contraceptives may increase the risk of depression not only while taking them, but later in life as well — suggesting that hormonal exposure during critical developmental windows may have lasting effects on brain architecture and mood regulation.”

It is important to note that the science is not unanimous. Some large Scandinavian registry studies found no increased risk — and in some subgroups, a slightly reduced risk — with certain combined hormonal formulations. A 2025 Finnish registry study found that some combined preparations containing drospirenone were actually associated with lower depression risk. These conflicting findings underscore that the relationship is nuanced, dependent on specific formulation, age, and pre-existing mental health vulnerabilities.

The clinical takeaway is not that all birth control causes depression in all girls. It is that a meaningful subset of adolescents — particularly those with pre-existing vulnerability — may be at significantly elevated risk, and that risk is not being consistently communicated or monitored.

Why Are Teens More Vulnerable? The Neurodevelopmental Factor

Adolescence is a critical period of neurodevelopment. The brain is actively restructuring itself — pruning neural connections, building new synaptic pathways, and undergoing profound organizational changes in areas governing mood, impulse control, reward, and stress response.

At the same time, rising levels of estrogen and progesterone during puberty actively shape the developing brain — influencing the structure and function of the prefrontal cortex, the hippocampus, and the limbic system: the very regions central to mood regulation and the stress response. When a teenage girl begins hormonal contraceptives, those medications suppress the body’s own hormone production and replace it with a steady, synthetic hormonal state. For the developing adolescent brain, this represents a significant neurobiological disruption that may produce lasting changes in mood architecture — which is one proposed reason why adolescent use has been linked in some studies to increased depression risk in adulthood.

The Biological Mechanisms: How Hormones Affect Mood

The Progestin Problem

The most consistent finding across studies is that progestin-only formulations carry the highest depression risk, particularly synthetic progestins like levonorgestrel, norethindrone, and desogestrel. The proposed mechanism involves progestin’s interaction with the serotonergic system — reducing serotonin availability, the neurotransmitter most closely associated with mood stability. Reduced serotonin activity is a core feature of major depressive disorder.

Estrogen Withdrawal and the Serotonin Connection

Estrogen has well-documented mood-stabilizing effects. It upregulates serotonin receptors, decreases monoamine oxidase activity, and promotes the availability of mood-regulating neurotransmitters. When synthetic hormones suppress the body’s own estrogen, some women experience a withdrawal effect on their mood circuitry — consistent with what clinicians observe in premenstrual dysphoric disorder (PMDD), postpartum depression, and perimenopausal depression.

Comparing the Risk Across Contraceptive Types

The risk of depression is not uniform across all hormonal contraceptive methods. The table below summarizes the relative risk profiles based on available evidence — with the important caveat that individual variation, prior mental health history, and specific formulation matter enormously.

Who Is Most at Risk?

The evidence consistently points to several factors that amplify the risk of depression in the context of hormonal contraceptive use.

Adolescent Age

Teens aged 15–19 consistently show the highest relative risks across all contraceptive methods and all studies. The developing brain is significantly more vulnerable to hormonal disruption.

Personal History of Depression

Girls who have experienced a prior depressive episode or been treated for anxiety or mood disorders face substantially elevated risk of recurrence when starting hormonal contraception.

Family History of Depression

A strong family history suggests genetic vulnerability to serotonergic disruption — the same pathway implicated in hormone-related mood changes.

PMDD or Severe PMS

Girls who already experience significant mood changes in relation to their menstrual cycle show pre-existing hormonal mood sensitivity, which may worsen on certain formulations.

Progestin-Only or Long-Acting Methods

Choosing a progestin-only method, implant, or hormonal IUD without screening for mental health history increases the likelihood of a mood-related adverse event.

Early Initiation (Before Age 16)

The earlier a girl starts hormonal contraception relative to pubertal development, the greater the potential disruption to the hormonally guided organization of the adolescent brain.

⚠ Warning Signs Parents and Teens Should Watch For

• Persistent sadness, tearfulness, or emotional flatness that began within weeks to months of starting contraception
• Withdrawal from friends, family, or activities that were previously enjoyable
• Increased irritability, anger, or emotional volatility not typical for the individual
• Changes in sleep — difficulty falling asleep, staying asleep, or sleeping excessively
• Declining academic performance or difficulty concentrating
• Loss of appetite or significant changes in eating patterns
• Expressions of hopelessness, worthlessness, or thoughts of self-harm
• Fatigue, low energy, or loss of motivation that is new and unexplained

If a teenager exhibits several of these symptoms within the first six months of starting hormonal contraception, it warrants prompt evaluation — both by the prescribing physician and by a psychiatrist experienced in women’s mental health. Do not dismiss these symptoms as typical teenage mood fluctuation. They may represent a clinically significant depressive episode triggered by hormonal exposure.

What Teens, Parents, and Prescribers Should Do

Before Starting Hormonal Contraception

A thorough mental health screening should be part of any conversation about prescribing hormonal contraceptives to an adolescent. This means asking explicitly about personal and family history of depression, anxiety, mood disorders, and prior antidepressant use. If significant risk factors are present, consider whether a non-hormonal alternative — such as the copper IUD — may be appropriate, and establish a clear monitoring plan if hormonal contraception is still chosen.

During the First Six Months

The six-month window following initiation is the highest-risk period for the emergence of depressive symptoms. Parents should actively monitor their daughter’s mood, sleep, social engagement, and school performance. Teens should be told explicitly before starting that mood changes are a recognized possible side effect — so they feel empowered to speak up rather than silently suffer.

If Depression Symptoms Appear

If mood changes emerge after starting hormonal contraception, the teenager should be evaluated by both her prescribing physician and a psychiatrist. In many cases, switching to a different formulation — particularly one with an antiandrogenic progestin like drospirenone, or transitioning to a non-hormonal method — can resolve the depressive symptoms without antidepressant treatment. However, if the depression is moderate to severe, pharmacological treatment and psychotherapy should be initiated without delay.

At Mark G. Agresti MD LLC in Palm Beach, Florida, I specialize in precisely this kind of nuanced evaluation — distinguishing between hormonally mediated mood changes, primary major depressive disorder, and the overlap between the two, and developing individualized treatment plans that address the whole clinical picture.

A Balanced Perspective: Benefits Still Matter

This article is not an argument against hormonal contraception. These medications prevent unintended pregnancy — which itself carries enormous mental health consequences. They treat debilitating conditions like endometriosis, severe dysmenorrhea, and PCOS. For some women, certain combined oral contraceptive formulations may actually stabilize mood and improve quality of life.

The goal is not to alarm but to inform. Hormonal contraception is not mood-neutral for every girl, and the decision to prescribe it to an adolescent should include an honest, personalized discussion of the psychiatric risk profile — alongside all the very real benefits. Informed consent requires that both sides of the equation be on the table.

“The question is not whether hormonal contraceptives work. They do. The question is whether we are doing enough to identify the teenage girls for whom they may exact a psychiatric price — and whether we are monitoring closely enough once the prescription is written.”— Mark G. Agresti, MD  |  Mark G. Agresti MD LLC  |  Palm Beach, Florida

Frequently Asked Questions

Can hormonal birth control cause depression in teenagers?

Research suggests that some adolescents are at elevated risk of depression when using hormonal contraceptives, particularly progestin-only methods. The risk is not universal, but teens with a personal or family history of depression may be especially vulnerable. The first six months after starting represent the highest-risk window.

Which birth control methods carry the highest depression risk?

Progestin-only methods — including the mini-pill, hormonal IUDs, implants, the contraceptive patch, and the Depo-Provera injection — have shown the strongest associations with depression risk. Combined estrogen-progestin pills show a smaller but statistically significant increased risk, especially in adolescents aged 15–19.

What should I do if my teen seems depressed after starting birth control?

Contact your teen’s prescribing physician promptly and request a psychiatric evaluation. A psychiatrist experienced in women’s mental health and adolescent psychiatry can assess whether mood changes are related to hormonal contraceptive use and recommend an appropriate course of action.

Does the depression go away if you stop birth control?

For many girls, discontinuing or switching hormonal contraception leads to improvement in mood. However, some research suggests that adolescent use may produce lasting changes in mood vulnerability even after stopping. If symptoms persist, formal psychiatric evaluation and treatment are warranted.

Is there a birth control option that does not affect mood?

The copper (non-hormonal) IUD contains no hormones and has no associated depression risk. For teens with significant mental health vulnerabilities, it is worth discussing this option with a gynecologist. Some combined formulations containing drospirenone have shown more favorable mood profiles in some studies.

Should all teenagers be screened for depression before starting birth control?

In my clinical opinion, yes. A brief mental health screen — asking about personal and family history of depression, anxiety, and prior mood episodes — should be standard practice before prescribing any hormonal contraceptive to an adolescent. This is a low-cost intervention that can prevent significant suffering.

Is Your Teen Struggling With Depression?

If your daughter recently started hormonal birth control and her mood has changed, don’t wait. Dr. Mark G. Agresti, MD provides expert psychiatric evaluations and personalized treatment for adolescent and adult depression in Palm Beach, Florida.

SCHEDULE A CONSULTATIONMark G. Agresti MD LLC  ·  Palm Beach, Florida  ·  drmarkagresti.com

**Medical Disclaimer:** This article is written for educational and informational purposes by Mark G. Agresti, MD of Mark G. Agresti MD LLC, Palm Beach, Florida. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or a qualified mental health professional regarding any medical condition or treatment decision. If you or your child is experiencing a mental health crisis, please contact 988 (Suicide and Crisis Lifeline) or go to your nearest emergency room.

Mark G. Agresti MD LLC

drmarkagresti.com  ·  Palm Beach, Florida  ·  Psychiatry  ·  Women’s Mental Health  ·  Adolescent Psychiatry

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