Shares of in-vitro fertilisation (IVF) provider Virtus Health Ltd (ASX: VRT) have fallen marginally today after the group reported its interim earnings results to the market.

For the six-month period ended 31 December 2015, Virtus reported a 15.4% increase in revenue to $132.2 million, while reported earnings before interest, tax, depreciation and amortisation (EBITDA) rose by 10.3% to $36.2 million – representing an EBITDA margin of 27.4%. Meanwhile, EBIT was 8.1% higher at $30.6 million and net profit rose 7% to $17.9 million.

It was a decent result for the company, especially considering it experienced a drop in market share from 45.7% in the prior year to 44.6% as at the end of the period. Still, it said market cycle volumes in New South Wales, Queensland, Tasmania and Victoria for Assisted Reproductive Services (ARS) had grown 10.2%, while cycle growth in Virtus’ clinics was also 6.2% up on a comparable basis.

While Australian growth was strong, its international clinics also performed well (although Singapore does still remain a headwind for overall group results) and this is great for the company’s long-term growth ambitions.

The diluted earnings per share (EPS) of 22.13 cents may have been a little lower than the market anticipated, although they were still 6.9% higher than the prior corresponding period, with the company declaring a fully franked dividend of 14 cents per share (up from 13 cents in the prior year).

The shares were trading 1.3% lower at $6.24 at the time of writing, and could be worth a closer look for long-term investors.

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Motley Fool contributor Ryan Newman has no position in any stocks mentioned. Unless otherwise noted, the author does not have a position in any stocks mentioned by the author in the comments below. You can follow Ryan on Twitter @ASXvalueinvest.

The Motley Fool Australia has no position in any of the stocks mentioned. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Bruce Jackson.