Η παιδίατρος είπε ότι το μωρό δεν έχει πια πυρετό.

That is a very common question. In Greek, -ος is often masculine, but not always.

παιδίατρος can refer to:

• a female pediatrician: η παιδίατρος
• a male pediatrician: ο παιδίατρος

So the article tells you the gender here:

• η παιδίατρος = the female pediatrician
• ο παιδίατρος = the male pediatrician

This is fairly common with some profession nouns.

είπε is the aorist (simple past) form of λέω = to say / to tell.

Here it means:

• είπε = she said

More specifically, it is:

• 3rd person singular
• aorist
• used for a completed past action

So:

• Η παιδίατρος είπε... = The pediatrician said...

ότι means that and introduces a subordinate clause.

So:

• Η παιδίατρος είπε ότι... = The pediatrician said that...

The clause after ότι is what she said:

• το μωρό δεν έχει πια πυρετό

In everyday Greek, after verbs like λέω, you may also hear πως instead of ότι:

• Η παιδίατρος είπε πως...

Both are very common.

μωρό is a neuter noun, so it takes the neuter article το.

So:

• το μωρό = the baby

This does not necessarily tell you the baby’s biological sex. Greek often uses neuter for babies and young children in certain words.

In Greek, δεν is the standard negation used before verbs in ordinary statements.

So:

• δεν έχει = does not have

That is the normal pattern:

• δεν
  • verb

Examples:

• Δεν ξέρω. = I don’t know.
• Δεν είναι εδώ. = He/She/It isn’t here.
• Δεν έχει πυρετό. = He/She/It doesn’t have a fever.

Here πια means any longer / anymore / no longer, depending on how you translate the whole sentence.

So:

• δεν έχει πια πυρετό = doesn’t have a fever anymore / no longer has a fever

This is a very important use of πια in negative sentences.

Compare:

• Δεν μένει πια εδώ. = He/She doesn’t live here anymore.
• Δεν καπνίζει πια. = He/She doesn’t smoke anymore.

In other contexts, πια can have slightly different shades of meaning, but here the idea is clearly no longer.

Because πυρετό is the accusative singular form, and here it is the direct object of έχει.

The dictionary form is:

• ο πυρετός = the fever

But after έχω:

• έχει πυρετό = has a fever

So the forms are:

• ο πυρετός = nominative
• τον πυρετό = accusative

In this sentence, the noun appears without the article, but it is still in the accusative:

• πυρετό

Greek often omits the article in expressions like have fever, have hunger, have fear, depending on the noun and the expression.

So:

• έχει πυρετό literally = has fever
• natural English translation = has a fever

This is one of those places where Greek and English do not match word for word.

Other similar patterns:

• έχω χρόνο = I have time
• έχω δουλειά = I have work / I’m busy
• έχει πυρετό = he/she has a fever

So the absence of the article is normal here.

Not completely. Greek word order is more flexible than English word order, although some versions sound more natural than others.

The given order is very natural:

• το μωρό δεν έχει πια πυρετό

You may also hear:

• το μωρό πια δεν έχει πυρετό
• πυρετό δεν έχει πια το μωρό (more marked, more emphasis)

What stays important is:

• δεν goes before the verb
• πια usually stays near the part it modifies
• changing word order can change emphasis

So the original sentence is a neutral, standard way to say it.

Yes, in informal speech Greek sometimes drops ότι after verbs like είπε, especially in conversation.

For example:

• Η παιδίατρος είπε το μωρό δεν έχει πια πυρετό.

But this can sound more conversational or less carefully structured. In standard written Greek, ότι is very normal and clear:

• Η παιδίατρος είπε ότι το μωρό δεν έχει πια πυρετό.

So for learners, using ότι is a safe and natural choice.

Yes, it is part of a very common Greek pattern:

• έχω + noun
• often used for physical states, conditions, or symptoms

Examples:

• έχω πυρετό = I have a fever
• έχω πονοκέφαλο = I have a headache
• έχω βήχα = I have a cough

So in your sentence:

• το μωρό δεν έχει πια πυρετό means the baby is no longer in that condition.

This is a useful pattern to learn as a chunk.

Only the article would need to change:

• Ο παιδίατρος είπε ότι το μωρό δεν έχει πια πυρετό.

That means:

• The male pediatrician said that the baby no longer has a fever.

The noun παιδίατρος itself stays the same. The article shows the gender:

• η παιδίατρος = female pediatrician
• ο παιδίατρος = male pediatrician