TTC stands for “trying to conceive.” It’s shorthand used widely in online parenting forums, social media, and fertility communities to describe the phase when someone is actively working toward getting pregnant. If you’ve seen “TTC baby” in a post or comment, the person is talking about their journey to become pregnant, not a specific medical term or diagnosis.
Where the Term Comes From
TTC became popular on message boards and forums where people share their conception experiences. Because fertility discussions involve a lot of repetitive, sometimes lengthy medical terms, these communities developed their own shorthand. TTC is the most common acronym, but it’s really just the tip of the iceberg. Joining a TTC community means learning a whole new vocabulary, one that can feel like a foreign language at first but makes conversations faster and more personal.
Common TTC Acronyms You’ll See
If you’re browsing a TTC forum for the first time, here are the terms that come up most often:
- BFP: Big fat positive, meaning a positive pregnancy test
- BFN: Big fat negative, meaning a negative pregnancy test
- AF: Aunt Flo, a nickname for your period
- DPO: Days past ovulation, counting the days since you ovulated
- CD: Cycle day, the day of your menstrual cycle starting from the first day of your period
- BD: Baby dance, a euphemism for sex when trying to conceive
- 2WW: Two-week wait, the stretch between ovulation and when you can take a pregnancy test
- CM: Cervical mucus, which changes texture throughout your cycle and signals fertility
- POAS: Pee on a stick, meaning taking a home pregnancy test
- DH: Dear husband or partner
- HPT: Home pregnancy test
You’ll also see people “sprinkling baby dust” on each other, which is simply a way of wishing someone good luck on their conception journey.
How Conception Actually Works
Understanding the basics of fertility timing is a big part of the TTC experience. Your fertile window, the days each cycle when pregnancy is possible, is surprisingly short. Sperm can survive inside the body for up to five days, but a released egg lives for less than 24 hours. That means there are roughly six days per cycle when sex can lead to pregnancy. Health providers generally recommend timing intercourse between days 7 and 20 of your menstrual cycle to cover this window.
Many people track ovulation to pinpoint their most fertile days. Two popular methods are monitoring basal body temperature and watching for changes in cervical mucus. Your resting temperature rises slightly, typically less than half a degree Fahrenheit, after you ovulate. When that small bump holds steady for three days or more, ovulation has likely occurred. Cervical mucus also shifts, becoming clearer and more slippery around ovulation, resembling raw egg whites. Combining both methods gives you a clearer picture of your cycle.
How Long It Typically Takes
One of the most common questions in TTC communities is “how long should this take?” The answer depends heavily on age. A large North American study tracked couples from the start of their conception attempts and found that among women aged 25 to 27, about 79% conceived within 12 cycles. For women 34 to 36, that number was around 75%. The drop becomes steeper after 37: women aged 40 to 45 were 60% less likely to conceive in any given cycle compared to women in their early twenties, with a 12-cycle conception rate of roughly 56%.
Between ages 28 and 33, fertility stays relatively stable. The sharper decline begins in the late thirties, which is why the general guideline is to consider a fertility evaluation if you’ve been trying for 12 months without success, or 6 months if you’re over 35.
What You Can Do While TTC
The preconception period is a good time to build habits that support a healthy pregnancy. Folic acid is the most well-known recommendation. The Mayo Clinic advises 400 to 800 micrograms daily, ideally starting at least one month before you begin trying and continuing through the first 12 weeks of pregnancy. Folic acid helps prevent certain birth defects that develop very early, often before you even know you’re pregnant.
Smoking has one of the clearest negative effects on fertility. Research shows that women who smoked, even just 1 to 9 cigarettes a day, had roughly half the chance of conceiving within 6 or 12 months compared to nonsmokers. Coffee, on the other hand, did not appear to reduce fertility on its own in the same study. That said, most guidelines still suggest keeping caffeine moderate during the TTC phase.
The Emotional Side of TTC
What catches many people off guard is how emotionally taxing the process can be, especially when it takes longer than expected. People struggling to conceive commonly report feelings of anxiety, depression, isolation, and loss of control. The month-after-month cycle of hope and disappointment can create feelings of shame, guilt, and low self-esteem, even though difficulty conceiving is extremely common and says nothing about you as a person.
This is exactly why TTC communities exist. Having a space to talk with people who understand the specific frustration of a BFN at 12 DPO, or the anxiety of another 2WW, provides real emotional relief. Research supports this: psychological interventions, including group cognitive-behavioral approaches, relaxation training, journaling, and even expressive writing, have been shown to reduce distress during the fertility journey. Some studies have found these approaches are also associated with higher pregnancy rates, likely because chronic stress can interfere with reproductive hormones and ovulation timing.
If you’re new to the TTC world, know that the acronyms and community culture exist for a reason. They make it easier to share vulnerable, deeply personal experiences with people who genuinely get it.