Bringing new life into the world is a momentous and beautiful occasion.

But, when these don’t do the trick, a slow dread can creep in.

Is my baby sick?

Baby sleeping on moon-shaped pillow

Is there something dire being overlooked?

Am I failing completely?

Also, note that the handy app can be used successfully without purchasing the book (viaHealthline).

Close-up of phone using Wonder Weeks

The Wonder Weeks refers to your baby’s age in weeks.

Most parents won’t know off-hand that their 6-month-old is 26 weeks.

The app keeps track of this for you.

Crying baby in mother’s arms

With 4.9 stars in Apple’s app store,the Wonder Weeks is available for $4.99.

So, is it worth the money?

You’ve already waded through nine months of sortingpregnancy advice you should and shouldn’t listen to.

What if your baby is due for a leap and isn’t showing the predicted signs?

If your baby was born prematurely, can you rely on the app?

It’s not firmly predictable."

Still on the fence about spending $4.99?