# Riddle with a red hening

Periods in periods result in my contraction.
One of which appears in the expanded starting fraction.

I am often confused with that is taken from "in d'nest".
To exhibit explicit qualities is how you'd use me best.

Hint 1:

One of the lines contains an instruction to reveal a clue.

Hint 2:

Each line will help verify to conclude the correct answer but line 3 contains the most obvious clue. If you analyse it literally that is.

• do you mean "red herring" not "hening"? – AHKieran Feb 1 at 13:32
• @AHKieran hening is intentional but only a little bit auxiliary. – JonM Feb 1 at 13:34
• @Omega Krypton I've added a hint! – JonM Feb 3 at 14:38
• @JonM have you considered giving us another hint? it has been a week! thanks! – Omega Krypton Feb 9 at 3:36
• @OmegaKrypton I've added another hint! – JonM Feb 11 at 8:21

Partial answer, I think it's a

Womb

Periods in periods result in my contraction.

Womb Contracts in a rhythm between periods

One of which appears in the expanded starting fraction.

One of the eggs appears in the fraction/splitting of egg by sperm that starts life. Umm, or something very similar.

I am often confused with that is taken from "in d'nest".

human eggs are similar to eggs taken from in nests. Not sure about the d'

To exhibit explicit qualities is how you'd use me best.

(Haven't a clue)

Title typo:

Red hens lay eggs, most classically

Are you:

Punctuation?

Periods in periods result in my contraction.

Periods are the end of the sentence, and contractions are represented by apostrophes.

One of which appears in the expanded starting fraction.

A hyphen looks like the bar used in fraction representation.

I am often confused with what you'd put in nest.

unsure

To exhibit explicit qualities is how you'd use me best.

Punctuation helps exhibit explicit qualities of how a sentence is structured.

a space :

Periods in periods result in my contraction.

MS Word auto correct "..." to make them denser, contracting space

One of which appears in the expanded starting fraction.

I am often confused with what you'd taken "in d'nest".

"in d'nest" sounds like indent, made by the tab key, often confused with multiple spaces

To exhibit explicit qualities is how you'd use me best.

to show that words are apart explicitly

uterus

Periods in periods result in my contraction.

muscles in uterus contract during female's menstruation, aka period

One of which appears in the expanded starting fraction.

One of the eggs appears in the fraction/splitting of egg by sperm that starts life. CREDITS @ Tommy Jollyboat

I am often confused with what you'd put in nest.

refers to the egg cell in the uterus as there are eggs in a nest (of birds)

To exhibit explicit qualities is how you'd use me best.

perhaps the DNA in an egg cell that controls the external features of a bab?

P.S. Please tell me why this answer would be downvoted, and how it can be improved. Thanks!

• Oh damn! I didn't notice this and I just posted the same answer. – Tommy Jollyboat Feb 1 at 15:54
• Yeah it was a sound guess. Don't think it deserved a downvote – JonM Feb 1 at 17:14