Trying to Conceive

All You Need to Know About 16 DPO

Team Peanutabout 2 months ago5 min read

At 16 DPO (16 days past ovulation, for anyone who hasn’t been on this ride with us so far) your period is definitely late.

16 DPO

Whether your tests are coming back BFP (big fat positive) or BFN (big fat negative), read on to find out what steps to take next.

And drop by our complete TTC glossary if you need a refresher on all these acronyms!

In this article 📝

  • What to expect at 16 DPO
  • How many DPO does your period start?
  • 16 DPO pregnancy symptoms
  • Can you get a positive pregnancy test at 16 DPO?
  • What if you get a 16 DPO BFN?

What to expect at 16 DPO

If you’re at 16 DPO and you’re pregnant, your body has been secreting the pregnancy hormone, hCG, since the egg first implanted in your uterine wall at around 8 DPO.

This might be setting off early pregnancy symptoms, or you might feel totally normal.

Every woman is unique.

However you’re feeling, the possibility that you’re nurturing a tiny ball of cells in your uterus means your body might already be using a lot of energy.

Your baby is hardly slacking off either.

Today, the layers of cells are all separating into the systems they’re going to start developing into in the coming weeks and months.

This is also the time to start taking prenatal vitamins (if you haven’t already) to support your little peanut’s essential early development.

How many DPO does your period start?

In general, if you think of the first day of your period as day one of your cycle, you ovulate on (around) day 14.

If you’re (fairly) regular, your next period should then start on day 28 — which is 14 days past ovulation, or 14 DPO.

That means that if you’re at 16 DPO, you’re already two days late.

But, as we say, every woman’s body is unique, which means it’s normal and totally fine if your cycle follows a different pattern to this.

This is just the general timeline that we use for the purposes of counting days and TTC.

Can implantation occur 16 days post ovulation?

Despite these differences, it’s pretty rare for implantation to occur as late as day 16.

Even if your cycle has a longer-than-average luteal phase, implantation usually happens between 6 and 10 DPO.

16 DPO pregnancy symptoms

If your rocketing hormones have got you noticing changes in your body, they’ll most likely be in:

  • Your energy levels: Which might be non-existent. 7 pm bedtime? Don’t mind if I do.
  • Your sense of smell: Which might be super-duper, smell-your-partner’s-sandwich-from-the-other-side-of-the-apartment, strong.
  • Your boobs: Which might be feeling extra sensitive or looking bigger than usual. Your areola (the area around your nipple) may also be darker.
  • Your mood: Feeling mad? Anxious? Tearful? All at once? That may be the hormones talking, but that doesn’t mean that all those feelings aren’t valid.
  • Your stomach: Bloating, cramping, and the famous pregnancy nausea can all start very early on. It sounds counterintuitive, but eating regularly can help.

Can you get a positive pregnancy test at 16 DPO?

The short answer is yes.

By 16 DPO, a pregnancy test will probably give an accurate result because your hCG levels have had enough time to build up and are rising rapidly every day.

Just make sure you:

  • Test when your pee is concentrated, usually first thing in the morning.
  • Read the test when you’re supposed to—not too early (the line needs time to develop) or too late (what looks like a positive result might be something called an ‘evaporation line’).
  • Store the tests correctly and use them while they’re still in date.

What if you get a 16 DPO BFN?

If you’re at 16 DPO and still testing negative, there’s a chance you’re testing negative because you ovulated later than you thought, and this isn’t actually 16 DPO at all.

At this early stage, days can make a big difference and anything from travel to illness to losing weight can delay ovulation.

So, try again over the next couple of days.

If you spend some time talking to other women who’ve been there, you’ll see how common it is for tests to come back negative until you’re at least 10 days late (24 DPO).

When it comes to TTC, it’s definitely not over until your period shows up.

If you’re using the tests correctly and you’ve calculated your cycle day accurately, it might be that you’re just not going to get your BFP this month.

This can always be disheartening, but it doesn’t mean you need to lose hope. Implantation can fail for many reasons.

The important things to remember are that this doesn’t mean it will fail next time, and that none of these reasons are your fault.

Whatever the tests are telling you, take care of yourself and remember that the Peanut community is always there.

Read next: All You Need to Know About 17 DPO